var gulp=require('gulp'),
    babel = require('gulp-babel'),
    gulpSequence = require('gulp-sequence'),
    htmlmin = require('gulp-htmlmin'),
    sftp= require('gulp-sftp'),
    concat=require('gulp-concat'),//文件合并
    uglify=require('gulp-uglify'),//js压缩
    minifyCss=require('gulp-minify-css'),//css压缩
    rev=require('gulp-rev'),//对文件名加MD5后缀
    clean=require('gulp-clean'),//清理
    revCollector=require('gulp-rev-collector');//路径替换
var myConfig = require('./my-config.js');

gulp.task('mini-rev',function(){
  return  gulp.src(['./src/**/*.min.js','./src/**/*.min.css'])
       .pipe(rev())
       .pipe(gulp.dest('./dist/gulp_view'))
       .pipe(rev.manifest())
       .pipe(gulp.dest('./dist/gulp_rev/view-min'));
});

//css处理任务
gulp.task('mini-css-rev',function(){
   return gulp.src(['./src/**/*.css','!./src/**/*.min.css'])
       .pipe(minifyCss())
       .pipe(rev())
       .pipe(gulp.dest('./dist/gulp_view'))
       .pipe(rev.manifest())
       .pipe(gulp.dest('./dist/gulp_rev/view-css'));
   
});
//js处理任务
gulp.task('mini-js-rev',function(){
    return gulp.src(['./src/**/*.js','!./src/**/*.min.js'])
        .pipe(myConfig())//核心配置 替换环境变量
        .pipe(babel({ "presets": ["env"]} ))
        .pipe(uglify({ mangle: false}))//mangle: true,//类型：Boolean 默认：true 是否修改变量名
        .pipe(rev())
        .pipe(gulp.dest('./dist/gulp_view/'))
        .pipe(rev.manifest())
        .pipe(gulp.dest('./dist/gulp_rev/view-js'));
     
});

//路径替换任务
gulp.task('rev-c',function(){
    var options = {
        removeComments: true,//清除HTML注释
        collapseWhitespace: true,//压缩HTML
        removeEmptyAttributes: true,//删除所有空格作属性值 <input id="" /> ==> <input />
        removeScriptTypeAttributes: true,//删除<script>的type="text/javascript"
        removeStyleLinkTypeAttributes: true,//删除<style>和<link>的type="text/css"
        minifyJS: true,//压缩页面JS
        minifyCSS: true//压缩页面CSS
    };
   return gulp.src(['./dist/gulp_rev/**/*json','./src/**/*.html'])
        .pipe( revCollector() )
        .pipe(htmlmin(options))
        .pipe(gulp.dest('./dist/gulp_view'));
});

//清理文件
gulp.task('clean', function() {
    return gulp.src(['./dist/gulp_view','./dist/gulp_rev'], {read: false}) .pipe(clean());
});
gulp.task('cp', function() {    
    return gulp.src(['./src/**','!**/*.html','!**/*.htm','!**/*.css','!**/*.js'])
        .pipe(gulp.dest('./dist/gulp_view'));
});

gulp.task('test', function() {
    console.log('开始替换 配置');
    console.log('npm_config_argv==',process.env.npm_config_argv);
    console.log('npm_lifecycle_event==',process.env.npm_lifecycle_event);
    console.log('npm_lifecycle_script==',process.env.npm_lifecycle_script);
});

gulp.task('sftp_dev', function () {
    return gulp.src('./dist/gulp_view/**')
        .pipe(sftp({
            host: '192.168.10.132',
            user: 'root',
            port: '22',
            pass:'2016@pflm',
            remotePath: '/home/data/rights/client'
        }));
});
gulp.task('sftp_test', function () {
    return gulp.src('./dist/gulp_view/**')
        .pipe(sftp({
            host: '192.168.10.133',
            user: 'root',
            port: '22',
            pass:'2016@pflm',
            remotePath: '/home/data/rights/client'
        }));
});

gulp.task('default',gulpSequence('clean',['cp','mini-rev', 'mini-css-rev','mini-js-rev'],'rev-c'));
gulp.task('dev',gulpSequence('clean',['cp','mini-rev', 'mini-css-rev','mini-js-rev'],'rev-c','sftp_dev'));
gulp.task('test',gulpSequence('clean',['cp','mini-rev', 'mini-css-rev','mini-js-rev'],'rev-c','sftp_test'));

 

gulp 自定义插件

'use strict';
let through = require('through2');

module.exports = function(){
  return  through.obj(function(file, encoding, callback) {
        if(file.path.indexOf('common.js')>-1){
            var scripts=process.env.npm_lifecycle_event;
            console.log('追加变量 文件路径=',file.path);
            console.log('package.json scripts ==',scripts);
            var bool=false,text='';
            switch(scripts){
                case '本机':        break;
                case 'ftp开发环境':text=';imgPath = "http://192.168.10.132";_path="http://192.168.10.132/api"';bool=true;break;
                case 'ftp133测试环境':text=';imgPath="http://aa-test.aaa.cn";_path="http://aa-test.aaa.cn/api"';bool=true;break;
                default:     break;
            }
            if(bool){//追加内容
                if (file.isNull()||file.isStream()) {
                  this.emit('error', new PluginError(PLUGIN_NAME, 'Streams are not supported!'));
                  return callback();
                }
                let content = file.contents.toString();
                content+=text;
                file.contents = new Buffer(content);
            }
            console.log('追加变量 bool='+bool+',text='+text);
        }
        this.push(file);// 确保文件进入下一个 gulp 插件
        callback();
    });
};