gulpfile.js

var lr         = require('tiny-lr'),
    server     = lr(),
    gulp       = require('gulp'),
    compass    = require('gulp-compass'),
    livereload = require('gulp-livereload'),
    uglify     = require('gulp-uglify'),
    plumber    = require('gulp-plumber'),
    webserver  = require('gulp-webserver'),
    opn        = require('opn'),
    concat     = require('gulp-concat'),
    clean      = require('gulp-clean'),
    imagemin   = require('gulp-imagemin'),
    pngquant   = require('imagemin-pngquant'),
    rename     = require("gulp-rename"),
    zip        = require('gulp-zip'),
    copy       = require("gulp-copy"),
    tinypng    = require('gulp-tinypng'),
    sftp       = require('gulp-sftp'),
    config     = require('./config.json');

//压缩javascript 文件，压缩后文件放入build/js下   
gulp.task('minifyjs',function(){
    gulp.src('js/*.js')
    .pipe(uglify())
    .pipe(gulp.dest('./js/min'))
});

//合并build/js文件夹下的所有javascript 文件为一个main.js放入build/js下   
gulp.task('alljs', function() {
  return gulp.src('./build/js/*.js')
    .pipe(concat('main.min.js'))
    .pipe(gulp.dest('./js/min'));
});

//重命名project.md 文件
gulp.task('rename', function() {
  return gulp.src("./Project.md")
      .pipe(rename("README.md"))
      .pipe(gulp.dest("./build")); 
});

//开启本地 Web 服务器功能
gulp.task('webserver', function() {
  gulp.src( './' )
    .pipe(webserver({
      host:             config.localserver.host,
      port:             config.localserver.port,
      livereload:       true,
      directoryListing: false
    }));
});

//通过浏览器打开本地 Web服务器 路径
gulp.task('openbrowser', function() {
  opn( 'http://' + config.localserver.host + ':' + config.localserver.port );
});

//Compass 进行SASS 代码
gulp.task('compass', function() {
  gulp.src('./sass/*.scss')
    .pipe(plumber())
    .pipe(compass({
      config_file: './config.rb'
    }));
});

//多余文件删除
gulp.task('clean', function () {
    return gulp.src('./.sass-cache')
        .pipe(clean({force: true}))
        .pipe(gulp.dest('./clean'));
});

//压缩图片
gulp.task('imagemin', function () {
    return gulp.src('images/*')
        .pipe(imagemin({
            progressive: true,
            svgoPlugins: [{removeViewBox: false}],
            use: [pngquant()]
        }))
        .pipe(gulp.dest('./build/images'));
});

//压缩图片 - tinypng
gulp.task('tinypng', function () {
    gulp.src('images/*.{png,jpg,jpeg}')
        .pipe(tinypng(config.tinypngapi))
        .pipe(gulp.dest('./build/images'));
});

//将相关项目文件复制到build 文件夹下
gulp.task('buildfiles', function() {
   //根目录文件
   gulp.src('./*.{php,html,css,png}')
   .pipe(gulp.dest('./build'));
   //CSS文件
   gulp.src('./css/*')
   .pipe(gulp.dest('./build/css'));
    //压缩后的js文件
   gulp.src('./js/min/*')
   .pipe(gulp.dest('./build/js'));
});

//文件监控
gulp.task('watch', function () {

  server.listen(35729, function (err) {
    if (err){
      return console.log(err);
    }
  });
 
  gulp.watch('./sass/*.scss', function (e) {
    gulp.run('compass');
    server.changed({
      body: {
        files: [e.path]
      }
    });
  });
 
  gulp.watch(['./sass/*.scss','./*.html','./*.php','./*.css','./js/*.js'],  function (e) {
    server.changed({
      body: {
        files: [e.path]
      }
    });
  });
 
});

//默认任务
gulp.task('default', function(){
  console.log('Starting Gulp tasks, enjoy coding!');
  gulp.run('compass');
  gulp.run('watch');
  gulp.run('webserver');
  gulp.run('openbrowser');
});

//项目完成提交任务
gulp.task('build', function(){
  gulp.run('imagemin');
  gulp.run('compass');
  gulp.run('minifyjs');
  gulp.run('alljs');
  gulp.run('buildfiles');
  gulp.run('rename');
  //gulp.run('clean');
});

//项目完成提交任务
gulp.task('build2', function(){
  gulp.run('tinypng');
  gulp.run('compass');
  gulp.run('minifyjs');
  gulp.run('alljs');
  gulp.run('buildfiles');
  gulp.run('rename');
  //gulp.run('clean');
});

//打包主体build 文件夹并按照时间重命名
gulp.task('zip', function(){
      function checkTime(i) {
          if (i < 10) {
              i = "0" + i
          }
          return i
      }
          
      var d=new Date();
      var year=d.getFullYear();
      var month=checkTime(d.getMonth() + 1);
      var day=checkTime(d.getDate());
      var hour=checkTime(d.getHours());
      var minute=checkTime(d.getMinutes());

  return gulp.src('./build/**')
        .pipe(zip( config.project+'-'+year+month+day +hour+minute+'.zip'))
        .pipe(gulp.dest('./'));
});

//上传到远程服务器任务
gulp.task('upload', function () {
    return gulp.src('./build/**')
        .pipe(sftp({
            host: config.sftp.host,
            user: config.sftp.user,
            port: config.sftp.port,
            key: config.sftp.key,
            remotePath: config.sftp.remotePath
        }));
});