refactor: change mock files to commonjs (#3246)

mock/index.js

@@ -1,10 +1,10 @@
-import Mock from 'mockjs'
-import { param2Obj } from '../src/utils'
+const Mock = require('mockjs')
+const { param2Obj } = require('./utils')
 
-import user from './user'
-import role from './role'
-import article from './article'
-import search from './remote-search'
+const user = require('./user')
+const role = require('./role')
+const article = require('./article')
+const search = require('./remote-search')
 
 const mocks = [
   ...user,
@@ -16,7 +16,7 @@ const mocks = [
 // for front mock
 // please use it cautiously, it will redefine XMLHttpRequest,
 // which will cause many of your third-party libraries to be invalidated(like progress event).
-export function mockXHR() {
+function mockXHR() {
   // mock patch
   // https://github.com/nuysoft/Mock/issues/300
   Mock.XHR.prototype.proxy_send = Mock.XHR.prototype.send
@@ -54,4 +54,7 @@ export function mockXHR() {
   }
 }
 
-export default mocks
+module.exports = {
+  mocks,
+  mockXHR
+}