caremate/train-web/src/main.js

import Vue from 'vue'
import App from './App.vue'
import router from './router'
import store from './store'
import {
  Button, Table, TableColumn, Form, FormItem, Input, Select, Option, Dialog,
  Pagination, Tag, Card, Col, Row, Icon, Descriptions, DescriptionsItem,
  Radio, RadioGroup, Switch, Dropdown, DropdownMenu, DropdownItem,
  Upload, Tabs, TabPane, Menu, Submenu, MenuItem, Empty, Drawer,
  Container, Header, Aside, Main, Scrollbar, Divider,
  Tooltip, Slider, InputNumber, Link, Loading, Alert,
  MessageBox, Message
} from 'element-ui'
import 'element-ui/lib/theme-chalk/index.css'

Vue.use(Button)
Vue.use(Table)
Vue.use(TableColumn)
Vue.use(Form)
Vue.use(FormItem)
Vue.use(Input)
Vue.use(Select)
Vue.use(Option)
Vue.use(Dialog)
Vue.use(Pagination)
Vue.use(Tag)
Vue.use(Card)
Vue.use(Col)
Vue.use(Row)
Vue.use(Icon)
Vue.use(Descriptions)
Vue.use(DescriptionsItem)
Vue.use(Radio)
Vue.use(RadioGroup)
Vue.use(Switch)
Vue.use(Dropdown)
Vue.use(DropdownMenu)
Vue.use(DropdownItem)
Vue.use(Upload)
Vue.use(Tabs)
Vue.use(TabPane)
Vue.use(Menu)
Vue.use(Submenu)
Vue.use(MenuItem)
Vue.use(Empty)
Vue.use(Drawer)
Vue.use(Container)
Vue.use(Header)
Vue.use(Aside)
Vue.use(Main)
Vue.use(Scrollbar)
Vue.use(Divider)
Vue.use(Tooltip)
Vue.use(Slider)
Vue.use(InputNumber)
Vue.use(Link)
Vue.use(Loading)
Vue.use(Alert)

Vue.prototype.$confirm = MessageBox.confirm
Vue.prototype.$alert = MessageBox.alert
Vue.prototype.$prompt = MessageBox.prompt
Vue.prototype.$message = Message

// Fix Element UI 2.15.x el-submenu removeTabindex null error
const ElSubmenu = Vue.component('ElSubmenu')
if (ElSubmenu && ElSubmenu.options && ElSubmenu.options.methods) {
  const origRemove = ElSubmenu.options.methods.removeTabindex
  if (origRemove) {
    ElSubmenu.options.methods.removeTabindex = function () {
      try {
        if (!this.$el || !this.$el.querySelector) return
        const tooltip = this.$el.querySelector('.el-tooltip')
        if (!tooltip) return
        return origRemove.call(this)
      } catch (e) { /* silent */ }
    }
  }
  const origOpen = ElSubmenu.options.methods.open
  if (origOpen) {
    ElSubmenu.options.methods.open = function () {
      try { return origOpen.call(this) } catch (e) { /* silent */ }
    }
  }
}

Vue.config.productionTip = false

new Vue({
  router,
  store,
  render: h => h(App)
}).$mount('#app')