text: import Vue from 'vue'
  import Router from 'vue-router'
  /* Layout */
  import Layout from '@/layout'
  import ktflable from '@/lable'
  import { list2tree } from '@/utils'
  import { nav } from '@/api/permission/menu'
  import { isExternal } from '@/utils/validate'
  
  Vue.use(Router)
  
  // 开发环境不使用懒加载, 因为懒加载页面太多的话会造成webpack热更新太慢, 所以只有生产环境使用懒加载
  const _import = require('./import-' + process.env.NODE_ENV)
  
  /**
   * Note: sub-menu only appear when route children.length >= 1
   * Detail see: https://panjiachen.github.io/vue-element-admin-site/guide/essentials/router-and-nav.html
   *
   * hidden: true                   if set true, item will not show in the sidebar(default is false)
   * alwaysShow: true               if set true, will always show the root menu
   *                                if not set alwaysShow, when item has more than one children route,
   *                                it will becomes nested mode, otherwise not show the root menu
   * redirect: noRedirect           if set noRedirect will no redirect in the breadcrumb
   * name:'router-name'             the name is used by <keep-alive> (must set!!!)
   * meta : {
      roles: ['admin','editor']    control the page roles (you can set multiple roles)
      title: 'title'               the name show in sidebar and breadcrumb (recommend set)
      icon: 'svg-name'             the icon show in the sidebar
      breadcrumb: false            if set false, the item will hidden in breadcrumb(default is true)
      activeMenu: '/example/list'  if set path, the sidebar will highlight the path you set
    }
   */
  
  /**
   * constantRoutes
   * a base page that does not have permission requirements
   * all roles can be accessed
   */
  export const constantRoutes = [
    {
      path: '/login',
      // component: () => import('@/views/login/index'),
      component: _import('login/index'),
      hidden: true
    },
  
    {
      path: '/404',
      // component: () => import('@/views/404'),
      component: _import('404'),
      hidden: true
    },
    // 首次登录页面
    {
      path: '/first',
      component: _import('dashboard/first-login'),
      hidden: true,
      meta: {
        title: '首次访问'
      }
    },
    // Home页面
    {
      path: '/',
      component: Layout,
      redirect: '/dashboard',
      children: [
        {
          path: 'dashboard',
          name: 'Dashboard',
          // component: () => _import('@/views/dashboard/index'),
          component: _import('dashboard/index'),
          meta: { title: ktflable.dashboard.TITLE, icon: 'dashboard' }
        }
      ]
    }
  ]
  
  export async function dynamicRoutes() {
    const res = await nav()
    if (res.code !== 200) {
      return []
    }
    const menuslist = res.data
    const menus = list2tree(menuslist)
    return buildDynamicRoutes(menus)
  }
  
  export function buildDynamicRoutes(menus) {
    const res = []
    menus.forEach(menu => {
      const tmp = { ...menu }
      var children = tmp.children || []
      // console.log('children: ' + children.length)
      // if (tmp.url === '') { return true }
      var url = '/' + tmp.url
      // console.log('url:' + url)
      var route = {
        path: url,
        component:
          children.length > 0 || isExternal(tmp.url) || tmp.url === ''
            ? Layout
            : _import(`${tmp.url}` + '/index') || null,
        name: url.replace('/', '-'),
        meta: {
          title: tmp.name,
          icon: tmp.icon
        },
        children: []
      }
      if (tmp.children) {
        route.children = buildDynamicRoutes(tmp.children)
      }
      res.push(route)
    })
    return res
  }
  
  /**
   * asyncRoutes
   * the routes that need to be dynamically loaded based on user roles
   */
  // export const asyncRoutes = [
  //   {
  //     path: '/nested',
  //     component: Layout,
  //     redirect: '/nested/menu1',
  //     name: 'Nested',
  //     meta: {
  //       title: 'Nested',
  //       icon: 'nested'
  //     },
  //     children: [{
  //       path: 'menu1',
  //       component: () => _import('@/views/nested/menu1/index'), // Parent router-view
  //       name: 'Menu1',
  //       meta: { title: 'Menu1' },
  //       children: [{
  //         path: 'menu1-1',
  //         component: () => _import('@/views/nested/menu1/menu1-1'),
  //         name: 'Menu1-1',
  //         meta: { title: 'Menu1-1' }
  //       },
  //       {
  //         path: 'menu1-2',
  //         component: () => _import('@/views/nested/menu1/menu1-2'),
  //         name: 'Menu1-2',
  //         meta: { title: 'Menu1-2' },
  //         children: [{
  //           path: 'menu1-2-1',
  //           component: () => _import('@/views/nested/menu1/menu1-2/menu1-2-1'),
  //           name: 'Menu1-2-1',
  //           meta: { title: 'Menu1-2-1' }
  //         },
  //         {
  //           path: 'menu1-2-2',
  //           component: () => _import('@/views/nested/menu1/menu1-2/menu1-2-2'),
  //           name: 'Menu1-2-2',
  //           meta: { title: 'Menu1-2-2' }
  //         }]
  //       },
  //       {
  //         path: 'menu1-3',
  //         component: () => _import('@/views/nested/menu1/menu1-3'),
  //         name: 'Menu1-3',
  //         meta: { title: 'Menu1-3' }
  //       }]
  //     },
  //     {
  //       path: 'menu2',
  //       component: () => _import('@/views/nested/menu2/index'),
  //       meta: { title: 'menu2' }
  //     }]
  //   },
  
  //   {
  //     path: 'external-link',
  //     component: Layout,
  //     children: [{
  //       path: 'https://panjiachen.github.io/vue-element-admin-site/#/',
  //       meta: { title: 'External Link', icon: 'link' }
  //     }]
  //   },
  //   // 404 page must be placed at the end !!!
  //   { path: '*', redirect: '/404', hidden: true }
  // ]
  
  const createRouter = () =>
    new Router({
      // mode: 'history', // require service support
      scrollBehavior: () => ({ y: 0 }),
      routes: constantRoutes
    })
  
  const router = createRouter()
  
  // Detail see: https://github.com/vuejs/vue-router/issues/1234#issuecomment-357941465
  export function resetRouter() {
    const newRouter = createRouter()
    router.matcher = newRouter.matcher // reset router
  }
  
  export default router
  