gulpfile.js

'use strict';

var gulp = require('gulp'),
    del = require('del'),
    plugins = require('gulp-load-plugins')();

var path = {
  src: {
    jshint: ['public/scripts/js/**/*.js','app/**/*.js','*.js','route/**','test/**'],
    scripts: 'public/scripts/js/**/*.js',
    sass: 'public/sass/**/*.scss',
    images: 'public/images/**',
    clean: 'public/libs/**'
  },
  dest: {
    scripts: 'public/libs/scripts/js/',
    sass: 'public/libs/css/',
    images: 'public/libs/images',
  }
};

// 将scss文件转成css文件并压缩
gulp.task('styles', function() {
  return plugins.rubySass(path.src.sass)
   .on('error', plugins.rubySass.logError)
   .pipe(plugins.autoprefixer({            // 自动添加游览器前缀
      browsers: ['last 2 versions'],
      cascade: false
    }))
   .pipe(plugins.rename({suffix:'.min'}))
   .pipe(plugins.minifyCss())
   .pipe(gulp.dest(path.dest.sass));
});

// js代码校验
gulp.task('jshint', function() {
  return gulp.src(path.src.jshint)
    .pipe(plugins.jshint('.jshintrc'))
    .pipe(plugins.jshint.reporter('default'));
});

// js代码压缩
gulp.task('scripts', function() {
  return gulp.src(path.src.scripts)
    .pipe(plugins.rename({suffix: '.min'}))
    .pipe(plugins.uglify())
    .pipe(gulp.dest(path.dest.scripts));
});

// 图片压缩
gulp.task('images', function() {
  return gulp.src(path.src.images)
    .pipe(plugins.cache(plugins.imagemin({ progressive: true, interlaced: true })))
    .pipe(gulp.dest(path.dest.images));
});

// watch
gulp.task('watch', function() {
  gulp.watch(path.src.sass,['styles']);
  gulp.watch(path.src.jshint,['jshint']);
  gulp.watch(path.src.scripts,['scripts']);
  gulp.watch(path.src.images,['images']);
});

// 清除文件
gulp.task('clean', function(cb) {
  del(path.src.clean, cb());
});

// 测试任务
gulp.task('test', function() {
  return gulp.src('test/**/*.js', {read: false})
    .pipe(plugins.mocha({reporter: 'spec'}));
});

// 实时监听入口文件
gulp.task('nodemon',function() {
  plugins.nodemon({ script: 'app.js',
    ignore: ['README.md', 'node_modules/**', '.DS_Store']
  });
});

// 默认任务
gulp.task('default',['watch','nodemon']);