refactor: 增加路由钩子函数

Author: cklwblove

src/main.ts

@@ -1,4 +1,5 @@
 import Vue from 'vue';
+import Component from 'vue-class-component';
 import Element from 'element-ui';
 import 'element-ui/lib/theme-chalk/index.css';
 import { getSize } from '@/utils/auth';
@@ -17,6 +18,13 @@ import './registerServiceWorker';
 // mock
 import { mockXHR } from '../mock';
 
+// 注册钩子函数
+Component.registerHooks([
+  'beforeRouteEnter',
+  'beforeRouteLeave',
+  'beforeRouteUpdate'
+]);
+
 // mock api in github pages site build
 if (process.env.NODE_ENV === 'production') {
   mockXHR();