feature[Permission]: add role permission management page (#1605)

增加角色权限管理菜单

src/api/role.js

@@ -0,0 +1,38 @@
+import request from '@/utils/request'
+
+export function getRoutes() {
+  return request({
+    url: '/routes',
+    method: 'get'
+  })
+}
+
+export function getRoles() {
+  return request({
+    url: '/roles',
+    method: 'get'
+  })
+}
+
+export function deleteRole(id) {
+  return request({
+    url: `/roles/${id}`,
+    method: 'delete'
+  })
+}
+
+export function addRole(data) {
+  return request({
+    url: '/roles',
+    method: 'post',
+    data
+  })
+}
+
+export function updateRole(key, data) {
+  return request({
+    url: `/roles/${key}`,
+    method: 'put',
+    data
+  })
+}

src/components/HeaderSearch/index.vue

@@ -33,8 +33,8 @@ export default {
     }
   },
   computed: {
-    routers() {
+    routes() {
-      return this.$store.getters.permission_routers
+      return this.$store.getters.permission_routes
     },
     lang() {
       return this.$store.getters.language
@@ -42,10 +42,10 @@ export default {
   },
   watch: {
     lang() {
-      this.searchPool = this.generateRouters(this.routers)
+      this.searchPool = this.generateRoutes(this.routes)
     },
-    routers() {
+    routes() {
-      this.searchPool = this.generateRouters(this.routers)
+      this.searchPool = this.generateRoutes(this.routes)
     },
     searchPool(list) {
       this.initFuse(list)
@@ -59,7 +59,7 @@ export default {
     }
   },
   mounted() {
-    this.searchPool = this.generateRouters(this.routers)
+    this.searchPool = this.generateRoutes(this.routes)
   },
   methods: {
     click() {
@@ -100,10 +100,10 @@ export default {
     },
     // Filter out the routes that can be displayed in the sidebar
     // And generate the internationalized title
-    generateRouters(routers, basePath = '/', prefixTitle = []) {
+    generateRoutes(routes, basePath = '/', prefixTitle = []) {
       let res = []
 
-      for (const router of routers) {
+      for (const router of routes) {
         // skip hidden router
         if (router.hidden) { continue }
 
@@ -125,11 +125,11 @@ export default {
           }
         }
 
-        // recursive child routers
+        // recursive child routes
         if (router.children) {
-          const tempRouters = this.generateRouters(router.children, data.path, data.title)
+          const tempRoutes = this.generateRoutes(router.children, data.path, data.title)
-          if (tempRouters.length >= 1) {
+          if (tempRoutes.length >= 1) {
-            res = [...res, ...tempRouters]
+            res = [...res, ...tempRoutes]
           }
         }
       }

src/lang/en.js

@@ -6,6 +6,7 @@ export default {
     guide: 'Guide',
     permission: 'Permission',
     pagePermission: 'Page Permission',
+    rolePermission: 'Role Permission',
     directivePermission: 'Directive Permission',
     icons: 'Icons',
     components: 'Components',
@@ -86,9 +87,14 @@ export default {
     github: 'Github Repository'
   },
   permission: {
+    addRole: 'New Role',
+    editPermission: 'Edit Permission',
     roles: 'Your roles',
     switchRoles: 'Switch roles',
-    tips: 'In some cases it is not suitable to use v-permission, such as element Tab component or el-table-column and other asynchronous rendering dom cases which can only be achieved by manually setting the v-if.'
+    tips: 'In some cases it is not suitable to use v-permission, such as element Tab component or el-table-column and other asynchronous rendering dom cases which can only be achieved by manually setting the v-if.',
+    delete: 'Delete',
+    confirm: 'Confirm',
+    cancel: 'Cancel'
   },
   guide: {
     description: 'The guide page is useful for some people who entered the project for the first time. You can briefly introduce the features of the project. Demo is based on ',

src/lang/es.js

@@ -5,6 +5,7 @@ export default {
     documentation: 'Documentación',
     guide: 'Guía',
     permission: 'Permisos',
+    rolePermission: 'Permisos de rol',
     pagePermission: 'Permisos de la página',
     directivePermission: 'Permisos de la directiva',
     icons: 'Iconos',
@@ -86,9 +87,14 @@ export default {
     github: 'Repositorio Github'
   },
   permission: {
+    addRole: 'Nuevo rol',
+    editPermission: 'Permiso de edición',
     roles: 'Tus permisos',
     switchRoles: 'Cambiar permisos',
-    tips: 'In some cases it is not suitable to use v-permission, such as element Tab component or el-table-column and other asynchronous rendering dom cases which can only be achieved by manually setting the v-if.'
+    tips: 'In some cases it is not suitable to use v-permission, such as element Tab component or el-table-column and other asynchronous rendering dom cases which can only be achieved by manually setting the v-if.',
+    delete: 'Borrar',
+    confirm: 'Confirmar',
+    cancel: 'Cancelar'
   },
   guide: {
     description: 'The guide page is useful for some people who entered the project for the first time. You can briefly introduce the features of the project. Demo is based on ',

src/lang/zh.js

@@ -5,6 +5,7 @@ export default {
     documentation: '文档',
     guide: '引导页',
     permission: '权限测试页',
+    rolePermission: '角色权限',
     pagePermission: '页面权限',
     directivePermission: '指令权限',
     icons: '图标',
@@ -86,9 +87,14 @@ export default {
     github: 'Github 地址'
   },
   permission: {
+    addRole: '新增角色',
+    editPermission: '编辑权限',
     roles: '你的权限',
     switchRoles: '切换权限',
-    tips: '在某些情况下，不适合使用 v-permission。例如：Element-UI 的 Tab 组件或 el-table-column 以及其它动态渲染 dom 的场景。你只能通过手动设置 v-if 来实现。'
+    tips: '在某些情况下，不适合使用 v-permission。例如：Element-UI 的 Tab 组件或 el-table-column 以及其它动态渲染 dom 的场景。你只能通过手动设置 v-if 来实现。',
+    delete: '删除',
+    confirm: '确定',
+    cancel: '取消'
   },
   guide: {
     description: '引导页对于一些第一次进入项目的人很有用，你可以简单介绍下项目的功能。本 Demo 是基于',

src/mock/index.js

@@ -3,6 +3,7 @@ import loginAPI from './login'
 import articleAPI from './article'
 import remoteSearchAPI from './remoteSearch'
 import transactionAPI from './transaction'
+import roleAPI from './role'
 
 // 修复在使用 MockJS 情况下，设置 withCredentials = true，且未被拦截的跨域请求丢失 Cookies 的问题
 // https://github.com/nuysoft/Mock/issues/300
@@ -23,6 +24,13 @@ Mock.mock(/\/login\/login/, 'post', loginAPI.loginByUsername)
 Mock.mock(/\/login\/logout/, 'post', loginAPI.logout)
 Mock.mock(/\/user\/info\.*/, 'get', loginAPI.getUserInfo)
 
+// 角色相关
+Mock.mock(/\/routes/, 'get', roleAPI.getRoutes)
+Mock.mock(/\/roles/, 'get', roleAPI.getRoles)
+Mock.mock(/\/roles$/, 'post', roleAPI.addRole)
+Mock.mock(/\/roles\/[A-Za-z0-9]+/, 'put', roleAPI.updateRole)
+Mock.mock(/\/roles\/[A-Za-z0-9]+/, 'delete', roleAPI.deleteRole)
+
 // 文章相关
 Mock.mock(/\/article\/list/, 'get', articleAPI.getList)
 Mock.mock(/\/article\/detail/, 'get', articleAPI.getArticle)

src/mock/role.js

@@ -0,0 +1,61 @@
+import Mock from 'mockjs'
+import { deepClone } from '@/utils'
+import { filterAsyncRoutes } from '@/store/modules/permission'
+import { asyncRoutes, constantRoutes } from '@/router'
+
+const routes = deepClone([...constantRoutes, ...asyncRoutes])
+
+const roles = [
+  {
+    key: 'admin',
+    name: 'admin',
+    description: 'Super Administrator. Have access to view all pages.',
+    routes: routes
+  },
+  {
+    key: 'editor',
+    name: 'editor',
+    description: 'Normal Editor. Can see all pages except permission page',
+    routes: filterAsyncRoutes(routes, ['editor'])
+  },
+  {
+    key: 'visitor',
+    name: 'visitor',
+    description: 'Just a visitor. Can only see the home page and the document page',
+    routes: [{
+      path: '',
+      redirect: 'dashboard',
+      children: [
+        {
+          path: 'dashboard',
+          name: 'Dashboard',
+          meta: { title: 'dashboard', icon: 'dashboard' }
+        }
+      ]
+    }]
+  }
+]
+
+export default {
+  getRoutes() {
+    return routes
+  },
+  getRoles() {
+    return roles
+  },
+  addRole() {
+    return Mock.mock('@integer(300, 5000)')
+  },
+  updateRole() {
+    const res = {
+      data: 'success'
+    }
+    return res
+  },
+  deleteRole() {
+    const res = {
+      data: 'success'
+    }
+    return res
+  }
+}

src/permission.js

@@ -2,41 +2,49 @@ import router from './router'
 import store from './store'
 import { Message } from 'element-ui'
 import NProgress from 'nprogress' // progress bar
-import 'nprogress/nprogress.css'// progress bar style
+import 'nprogress/nprogress.css' // progress bar style
-import { getToken } from '@/utils/auth' // getToken from cookie
+import { getToken } from '@/utils/auth' // get token from cookie
 
-NProgress.configure({ showSpinner: false })// NProgress Configuration
+NProgress.configure({ showSpinner: false }) // NProgress Configuration
 
 // permission judge function
 function hasPermission(roles, permissionRoles) {
-  if (roles.indexOf('admin') >= 0) return true // admin permission passed directly
+  if (roles.includes('admin')) return true // admin permission passed directly
   if (!permissionRoles) return true
   return roles.some(role => permissionRoles.indexOf(role) >= 0)
 }
 
-const whiteList = ['/login', '/auth-redirect']// no redirect whitelist
+const whiteList = ['/login', '/auth-redirect'] // no redirect whitelist
 
 router.beforeEach((to, from, next) => {
   NProgress.start() // start progress bar
-  if (getToken()) { // determine if there has token
+  if (getToken()) {
+    // determine if there has token
+
     /* has token*/
     if (to.path === '/login') {
       next({ path: '/' })
       NProgress.done() // if current page is dashboard will not trigger	afterEach hook, so manually handle it
     } else {
-      if (store.getters.roles.length === 0) { // 判断当前用户是否已拉取完user_info信息
+      if (store.getters.roles.length === 0) {
-        store.dispatch('GetUserInfo').then(res => { // 拉取user_info
+        // 判断当前用户是否已拉取完user_info信息
-          const roles = res.data.roles // note: roles must be a array! such as: ['editor','develop']
+        store
-          store.dispatch('GenerateRoutes', { roles }).then(() => { // 根据roles权限生成可访问的路由表
+          .dispatch('GetUserInfo')
-            router.addRoutes(store.getters.addRouters) // 动态添加可访问路由表
+          .then(res => {
-            next({ ...to, replace: true }) // hack方法 确保addRoutes已完成 ,set the replace: true so the navigation will not leave a history record
+            // 拉取user_info
+            const roles = res.data.roles // note: roles must be a object array! such as: [{id: '1', name: 'editor'}, {id: '2', name: 'developer'}]
+            store.dispatch('GenerateRoutes', { roles }).then(accessRoutes => {
+              // 根据roles权限生成可访问的路由表
+              router.addRoutes(accessRoutes) // 动态添加可访问路由表
+              next({ ...to, replace: true }) // hack方法 确保addRoutes已完成 ,set the replace: true so the navigation will not leave a history record
+            })
           })
-        }).catch((err) => {
+          .catch(err => {
-          store.dispatch('FedLogOut').then(() => {
+            store.dispatch('FedLogOut').then(() => {
-            Message.error(err)
+              Message.error(err)
-            next({ path: '/' })
+              next({ path: '/' })
+            })
           })
-        })
       } else {
         // 没有动态改变权限的需求可直接next() 删除下方权限判断 ↓
         if (hasPermission(store.getters.roles, to.meta.roles)) {
@@ -49,7 +57,8 @@ router.beforeEach((to, from, next) => {
     }
   } else {
     /* has no token*/
-    if (whiteList.indexOf(to.path) !== -1) { // 在免登录白名单，直接进入
+    if (whiteList.indexOf(to.path) !== -1) {
+      // 在免登录白名单，直接进入
       next()
     } else {
       next(`/login?redirect=${to.path}`) // 否则全部重定向到登录页

src/router/index.js

@@ -33,7 +33,7 @@ import nestedRouter from './modules/nested'
     affix: true                  if true, the tag will affix in the tags-view
   }
 **/
-export const constantRouterMap = [
+export const constantRoutes = [
   {
     path: '/redirect',
     component: Layout,
@@ -81,7 +81,6 @@ export const constantRouterMap = [
   {
     path: '/documentation',
     component: Layout,
-    redirect: '/documentation/index',
     children: [
       {
         path: 'index',
@@ -109,10 +108,10 @@ export const constantRouterMap = [
 export default new Router({
   // mode: 'history', // require service support
   scrollBehavior: () => ({ y: 0 }),
-  routes: constantRouterMap
+  routes: constantRoutes
 })
 
-export const asyncRouterMap = [
+export const asyncRoutes = [
   {
     path: '/permission',
     component: Layout,
@@ -141,6 +140,15 @@ export const asyncRouterMap = [
           title: 'directivePermission'
           // if do not set roles, means: this page does not require permission
         }
+      },
+      {
+        path: 'role',
+        component: () => import('@/views/permission/role'),
+        name: 'RolePermission',
+        meta: {
+          title: 'rolePermission',
+          roles: ['admin']
+        }
       }
     ]
   },

src/store/getters.js

@@ -12,8 +12,8 @@ const getters = {
   status: state => state.user.status,
   roles: state => state.user.roles,
   setting: state => state.user.setting,
-  permission_routers: state => state.permission.routers,
+  permission_routes: state => state.permission.routes,
-  addRouters: state => state.permission.addRouters,
+  addRoutes: state => state.permission.addRoutes,
   errorLogs: state => state.errorLog.logs
 }
 export default getters

src/store/modules/permission.js

@@ -1,4 +1,4 @@
-import { asyncRouterMap, constantRouterMap } from '@/router'
+import { asyncRoutes, constantRoutes } from '@/router'
 
 /**
  * 通过meta.role判断是否与当前用户权限匹配
@@ -15,17 +15,17 @@ function hasPermission(roles, route) {
 
 /**
  * 递归过滤异步路由表，返回符合用户角色权限的路由表
- * @param routes asyncRouterMap
+ * @param routes asyncRoutes
  * @param roles
  */
-function filterAsyncRouter(routes, roles) {
+export function filterAsyncRoutes(routes, roles) {
   const res = []
 
   routes.forEach(route => {
     const tmp = { ...route }
     if (hasPermission(roles, tmp)) {
       if (tmp.children) {
-        tmp.children = filterAsyncRouter(tmp.children, roles)
+        tmp.children = filterAsyncRoutes(tmp.children, roles)
       }
       res.push(tmp)
     }
@@ -36,27 +36,27 @@ function filterAsyncRouter(routes, roles) {
 
 const permission = {
   state: {
-    routers: [],
+    routes: [],
-    addRouters: []
+    addRoutes: []
   },
   mutations: {
-    SET_ROUTERS: (state, routers) => {
+    SET_ROUTES: (state, routes) => {
-      state.addRouters = routers
+      state.addRoutes = routes
-      state.routers = constantRouterMap.concat(routers)
+      state.routes = constantRoutes.concat(routes)
     }
   },
   actions: {
     GenerateRoutes({ commit }, data) {
       return new Promise(resolve => {
         const { roles } = data
-        let accessedRouters
+        let accessedRoutes
         if (roles.includes('admin')) {
-          accessedRouters = asyncRouterMap
+          accessedRoutes = asyncRoutes
         } else {
-          accessedRouters = filterAsyncRouter(asyncRouterMap, roles)
+          accessedRoutes = filterAsyncRoutes(asyncRoutes, roles)
         }
-        commit('SET_ROUTERS', accessedRouters)
+        commit('SET_ROUTES', accessedRoutes)
-        resolve()
+        resolve(accessedRoutes)
       })
     }
   }

src/views/layout/components/Sidebar/index.vue

@@ -9,7 +9,7 @@
       :collapse-transition="false"
       mode="vertical"
     >
-      <sidebar-item v-for="route in permission_routers" :key="route.path" :item="route" :base-path="route.path"/>
+      <sidebar-item v-for="route in permission_routes" :key="route.path" :item="route" :base-path="route.path"/>
     </el-menu>
   </el-scrollbar>
 </template>
@@ -23,7 +23,7 @@ export default {
   components: { SidebarItem },
   computed: {
     ...mapGetters([
-      'permission_routers',
+      'permission_routes',
       'sidebar'
     ]),
     variables() {

src/views/layout/components/TagsView/index.vue

@@ -45,8 +45,8 @@ export default {
     visitedViews() {
       return this.$store.state.tagsView.visitedViews
     },
-    routers() {
+    routes() {
-      return this.$store.state.permission.routers
+      return this.$store.state.permission.routes
     }
   },
   watch: {
@@ -93,7 +93,7 @@ export default {
       return tags
     },
     initTags() {
-      const affixTags = this.affixTags = this.filterAffixTags(this.routers)
+      const affixTags = this.affixTags = this.filterAffixTags(this.routes)
       for (const tag of affixTags) {
         // Must have tag name
         if (tag.name) {

src/views/permission/role.vue

@@ -0,0 +1,267 @@
+<template>
+  <div class="app-container">
+    <el-button type="primary" @click="handleAddRole">{{ $t('permission.addRole') }}</el-button>
+
+    <el-table :data="rolesList" style="width: 100%;margin-top:30px;" border>
+      <el-table-column align="center" label="Role Key" width="220">
+        <template slot-scope="scope">{{ scope.row.key }}</template>
+      </el-table-column>
+      <el-table-column align="center" label="Role Name" width="220">
+        <template slot-scope="scope">{{ scope.row.name }}</template>
+      </el-table-column>
+      <el-table-column align="header-center" label="Description">
+        <template slot-scope="scope">{{ scope.row.description }}</template>
+      </el-table-column>
+      <el-table-column align="center" label="Operations">
+        <template slot-scope="scope">
+          <el-button type="primary" size="small" @click="handleEdit(scope)">{{ $t('permission.editPermission') }}</el-button>
+          <el-button type="danger" size="small" @click="handleDelete(scope)">{{ $t('permission.delete') }}</el-button>
+        </template>
+      </el-table-column>
+    </el-table>
+
+    <el-dialog :visible.sync="dialogVisible" :title="dialogType==='edit'?'Edit Role':'New Role'">
+      <el-form :model="role" label-width="80px" label-position="left"	>
+        <el-form-item label="Name">
+          <el-input v-model="role.name" placeholder="Role Name"/>
+        </el-form-item>
+        <el-form-item label="Desc">
+          <el-input
+            v-model="role.description"
+            :autosize="{ minRows: 2, maxRows: 4}"
+            type="textarea"
+            placeholder="Role Description"/>
+        </el-form-item>
+        <el-form-item label="Menus">
+          <el-tree ref="tree" :check-strictly="checkStrictly" :data="routesData" :props="defaultProps" show-checkbox node-key="path" class="permission-tree"/>
+        </el-form-item>
+      </el-form>
+      <div style="text-align:right;">
+        <el-button type="danger" @click="dialogVisible=false">{{ $t('permission.cancel') }}</el-button>
+        <el-button type="primary" @click="confirmRole">{{ $t('permission.confirm') }}</el-button>
+      </div>
+    </el-dialog>
+  </div>
+
+</template>
+
+<script>
+import path from 'path'
+import { deepClone } from '@/utils'
+import { getRoutes, getRoles, addRole, deleteRole, updateRole } from '@/api/role'
+import i18n from '@/lang'
+
+const defaultRole = {
+  key: '',
+  name: '',
+  description: '',
+  routes: []
+}
+
+export default {
+  data() {
+    return {
+      role: Object.assign({}, defaultRole),
+      routes: [],
+      rolesList: [],
+      dialogVisible: false,
+      dialogType: 'new',
+      checkStrictly: false,
+      defaultProps: {
+        children: 'children',
+        label: 'title'
+      }
+    }
+  },
+  computed: {
+    routesData() {
+      return this.routes
+    }
+  },
+  created() {
+    // Mock: get all routes and roles list from server
+    this.getRoutes()
+    this.getRoles()
+  },
+  methods: {
+    async getRoutes() {
+      const res = await getRoutes()
+      this.serviceRoutes = res.data
+      const routes = this.generateRoutes(res.data)
+      this.routes = this.i18n(routes)
+    },
+    async getRoles() {
+      const res = await getRoles()
+      this.rolesList = res.data
+    },
+    i18n(routes) {
+      const app = routes.map(route => {
+        route.title = i18n.t(`route.${route.title}`)
+        if (route.children) {
+          route.children = this.i18n(route.children)
+        }
+        return route
+      })
+      return app
+    },
+    // Reshape the routes structure so that it looks the same as the sidebar
+    generateRoutes(routes, basePath = '/') {
+      const res = []
+
+      for (let route of routes) {
+        // skip some route
+        if (route.hidden) { continue }
+
+        const onlyOneShowingChild = this.onlyOneShowingChild(route.children, route)
+
+        if (route.children && onlyOneShowingChild && !route.alwaysShow) {
+          route = onlyOneShowingChild
+        }
+
+        const data = {
+          path: path.resolve(basePath, route.path),
+          title: route.meta && route.meta.title
+
+        }
+
+        // recursive child routes
+        if (route.children) {
+          data.children = this.generateRoutes(route.children, data.path)
+        }
+        res.push(data)
+      }
+      return res
+    },
+    generateArr(routes) {
+      let data = []
+      routes.forEach(route => {
+        data.push(route)
+        if (route.children) {
+          const temp = this.generateArr(route.children)
+          if (temp.length > 0) {
+            data = [...data, ...temp]
+          }
+        }
+      })
+      return data
+    },
+    handleAddRole() {
+      this.role = Object.assign({}, defaultRole)
+      if (this.$refs.tree) {
+        this.$refs.tree.setCheckedNodes([])
+      }
+      this.dialogType = 'new'
+      this.dialogVisible = true
+    },
+    handleEdit(scope) {
+      this.dialogType = 'edit'
+      this.dialogVisible = true
+      this.checkStrictly = true
+      this.role = deepClone(scope.row)
+      this.$nextTick(() => {
+        const routes = this.generateRoutes(this.role.routes)
+        this.$refs.tree.setCheckedNodes(this.generateArr(routes))
+        // set checked state of a node not affects its father and child nodes
+        this.checkStrictly = false
+      })
+    },
+    handleDelete({ $index, row }) {
+      this.$confirm('Confirm to remove the role?', 'Warning', {
+        confirmButtonText: 'Confirm',
+        cancelButtonText: 'Cancel',
+        type: 'warning'
+      })
+        .then(async() => {
+          await deleteRole(row.id)
+          this.rolesList.splice($index, 1)
+          this.$message({
+            type: 'success',
+            message: 'Delete succed!'
+          })
+        })
+        .catch(err => { console.error(err) })
+    },
+    generateTree(routes, basePath = '/', checkedKeys) {
+      const res = []
+
+      for (const route of routes) {
+        const routePath = path.resolve(basePath, route.path)
+
+        // recursive child routes
+        if (route.children) {
+          route.children = this.generateTree(route.children, routePath, checkedKeys)
+        }
+
+        if (checkedKeys.includes(routePath) || (route.children && route.children.length >= 1)) {
+          res.push(route)
+        }
+      }
+      return res
+    },
+    async confirmRole() {
+      const isEdit = this.dialogType === 'edit'
+
+      const checkedKeys = this.$refs.tree.getCheckedKeys()
+      this.role.routes = this.generateTree(deepClone(this.serviceRoutes), '/', checkedKeys)
+
+      if (isEdit) {
+        await updateRole(this.role.key, this.role)
+        for (let index = 0; index < this.rolesList.length; index++) {
+          if (this.rolesList[index].key === this.role.key) {
+            this.rolesList.splice(index, 1, Object.assign({}, this.role))
+            break
+          }
+        }
+      } else {
+        const { data } = await addRole(this.role)
+        this.role.key = data
+        this.rolesList.push(this.role)
+      }
+
+      const { description, key, name } = this.role
+      this.dialogVisible = false
+      this.$notify({
+        title: 'Success',
+        dangerouslyUseHTMLString: true,
+        message: `
+            <div>Role Key: ${key}</div>
+            <div>Role Nmae: ${name}</div>
+            <div>Description: ${description}</div>
+          `,
+        type: 'success'
+      })
+    },
+    // reference: src/view/layout/components/Sidebar/SidebarItem.vue
+    onlyOneShowingChild(children = [], parent) {
+      let onlyOneChild = null
+      const showingChildren = children.filter(item => !item.hidden)
+
+      // When there is only one child route, the child route is displayed by default
+      if (showingChildren.length === 1) {
+        onlyOneChild = showingChildren[0]
+        onlyOneChild.path = path.resolve(parent.path, onlyOneChild.path)
+        return onlyOneChild
+      }
+
+      // Show parent if there are no child route to display
+      if (showingChildren.length === 0) {
+        onlyOneChild = { ... parent, path: '', noShowingChildren: true }
+        return onlyOneChild
+      }
+
+      return false
+    }
+  }
+}
+</script>
+
+<style lang="scss" scoped>
+.app-container {
+  .roles-table {
+    margin-top: 30px;
+  }
+  .permission-tree {
+    margin-bottom: 30px;
+  }
+}
+</style>