vue-router 按需加载 component: () => import() 报错的解决

{
test: /\.js$/,
loader:'babel-loader',
options:{
plugins:['syntax-dynamic-import']
},
},
　

import Vue from "vue";
import Router from "vue-router";
Vue.use(Router);
let router =new Router({
 routes:[]
});
//全局路由钩子函数
router.beforeEach((to,from,next)=>{
 //不加这个判断，路由会陷入死循环重复添加路由
 if(!to.name){
 alert("请上传有效的License文件，以正常使用系统功能");
 next("/licenseManage");
 }else{
 next();
 }
})
export default router;

import index from "@/views/index";
export default{
 //已授权路由列表
 hasAccessRouters:[
 {
  path:"/",
  name:"index",
  component:index,
  redirect:"preIntegrationTest",
  children:[
  {
   path:"/preIntegrationTest",
   name:"preIntegrationTest",
   components:{
   listPage:resolve =>{ 
    require(["@/views/pages/preIntegrationTest"],resolve)
   }
   },
   props:{}
  },{
   path:"/about",
   name:"about",
   components:{
   listPage:resolve =>{ 
    require(["@/views/pages/about"],resolve)
   }
   },
   props:{}
  },{
   path:"/help",
   name:"help",
   components:{
   listPage:resolve =>{ 
    require(["@/views/pages/help"],resolve)
   }
   },
   props:{}
  }
  }
  ],
  //没有授权的路由列表
  noAccessRouters:[
  {
   path:"/",
   name:"index",
   component:index,
   redirect:"licenseManage",
   children:[
   {
    path:"/licenseManage",
    name:"licenseManage",
    components:{
    listPage:resolve =>{ 
     require(["@/views/systemSetting/licenseManage"],resolve)
    }
    },
    props:{}
   }
  }
  ]
 }
 ]
}

import Vue from "vue";
import Vuex from "vuex";
import mutations from "./mutations";
import actions from "actions";
Vue.use(Vuex);
const store = new Vuex.store({
 state:{
 axios:axios.create({baseURL:"",transformRequest:[]}),
 authorized:false
 },
 getters:{},
 mutations,
 actions
});
export default store;

import router from "@/router/index";
import accessRouters from "@/router/accessRouters";
const mutations={
 setAuthorized(state,payload){
 if(payload){
  //已授权
  //加载路由为已授权定义的路由列表并跳转/preIntegrationTest
  router.addRoutes(accessRouters.hasAccessRouters);
  let url=location.hash.substring(1)==='/'?'/preIntegrationTest':location.hash.substring(1);
  router.push('url')；
 }else{
  //没有授权,跳转授权页面
  router.push('/licenseManage')；
 }
 //更改状态值
 state.authorized=payload;
 }
}
export default mutations;

const actions={
 addInterceptors({state,commit}){
 //响应拦截--配置请求回来的信息
 state.axios.interceptors.response.use(
  function(response){
  // 处理响应数据
  return response
  },function(error){
  if(error.response.status === 403){
   commit("setAuthorized",false)
  }
  //处理响应失败
  return Promise.reject(error)
  }
 )
 },
 setAuthorized({dispatch,state}){
 dispatch("addInterceptors");
 state.axios.get('url****').then(function(response){
  if(response.data.code === "1"){
  state.authorized = true;
  router.addRoutes(accessRouters.hasAccessRouters);
  let url=location.hash.substring(1)==="/"?"/preIntegrationTest":location.hash.substring(1);
  router.push(url);
   
  }else{
  //没有授权 跳转授权页面
  state.authorized = false;
  router.addRoutes(accessRouters.noAccessRouters);
  router.push("/licenseManage");
  }
  
 }).catch(function(error){
  console.log(error)
  //没有授权 跳转授权页面
  state.authorized = false;
  router.addRoutes(accessRouters.noAccessRouters);
  router.push("/licenseManage");
 })
 }
}
export default actions;