update for code validation

@@ -6,17 +6,16 @@
 
 'use strict';
 
-const webpack = require('webpack');
-const fs = require('fs');
+// const webpack = require('webpack');
 const path = require('path');
 const _ = require('lodash');
 
-require('shelljs/global');
+const shelljs = require('shelljs');
 
 var entries = {};
 
 // 构建各模块子页面JS。生成规则module.page.js
-ls(__dirname + '/js/**/*.page.js').forEach((f) => {
+shelljs.ls(path.join(__dirname, 'js/**/*.page.js')).forEach((f) => {
     var dir = _.slice(f.split('/'), -2); // [modulename, xx.page.js]
 
     // Important