grunt 自定义任务实现js文件的混淆及加密

 //自定义任务
 module.exports = function (grunt) {
     // 项目配置
     var http = require('http');
     var qs = require('querystring');
     var fs=require("fs");

     function write(name,temp){
         fs.writeFile("./release/"+name,temp,"utf8",function(err){
             if(err){
                 grunt.log.error('BODY: ' + err);
             }
         });
     }

     grunt.initConfig({
         minJs:{
             version:"0.9.7",
             rootPath:"./online/",
             resource:[{src:"RongIMClient.js",nameList:"RongIMClient.min.js,RongIMClient-0.9.7.min.js",operate:"pack"},
                 {src:"emoji-0.9.2.js",nameList:"RongIMClient.Emoji-0.9.2.min.js",operate:"pack"},
                 {src:"protobuf.js",nameList:"protobuf.min.js",operate:"uglify"},
                 {src:"swfobject.js",nameList:"swfobject.min.js",operate:"uglify"},
                 {src:"voice-0.9.1.js",nameList:"RongIMClient.voice-0.9.1.min.js",operate:"pack"},
                 {src:"xhrpolling.js",nameList:"xhrpolling.min.js",operate:"uglify"}],
             env:"Release"
         }
     });
     grunt.registerTask('minJs', '自定义压缩js文件', function () {

         this.async();

         grunt.log.writeln('Processing task...');

         var options = {
             hostname: 'tool.lu',
             port: 80,
             path: '/js/ajax.html',
             method: 'POST',
             headers: {
                 'Content-Type': 'application/x-www-form-urlencoded'
             }
         };
         grunt.config("minJs.resource").forEach(function(x){
             fs.readFile(grunt.config("minJs.rootPath")+ x.src,"utf8",function(err,data){
                 if(err){
                     grunt.log.error(err);
                     return;
                 }
                 if(grunt.config("minJs.env")==="Release"){
                     data=data.replace(/\["navUrl-Debug"\]/g,"[\"navUrl-Release\"]");
                 }
                 var post_data = {
                     code: data,
                     operate: x.operate
                 };
                 var req = http.request(options, function (res) {
                     res.setEncoding('utf8');
                     var chunk="";
                     res.on('data', function (data) {
                         chunk+=data;
                     });
                     res.on("end",function(){
                         var temp=JSON.parse(chunk);
                         if(temp.status===true){
                             x.nameList.split(",").forEach(function(name){
                                 write(name,temp.text);
                             });
                         }else{
                             grunt.log.error(temp.message);
                         }
                     })
                 });
                 req.on('error', function (e) {
                     grunt.log.error('problem with request: ' + e.message);
                 });
                 req.write(qs.stringify(post_data));
                 req.end();
             });
         });

     });
 };