tall4-pc/src/store/index.js

import { createStore } from 'vuex';
import device from './device';
import statistics from './statistics';
import user from './user';

export default createStore({
  modules: { user, device, statistics },
  state: { menu: { show: true, collapse: false } },
  getters: {},
  mutations: {
    toggleCollapse(state) {
      state.menu.collapse = !state.menu.collapse;
    },
  },
  actions: {},
});