gulpfile.js

var gulp = require('gulp'),
    server = require('gulp-develop-server'),
    minifyCSS = require('gulp-minify-css'),
    // concat = require('gulp-concat'),        // 合并文件
    rename = require('gulp-rename'),        // 重命名
    plugins = require('gulp-load-plugins')();

// 启动
gulp.task('default', ['server','styles','server:restart'], function() {
    gulp.watch('./web/public/scss/*.scss', ['styles']);
});

// watch sass change & compile
gulp.task('styles', function() {
    gulp.src('./web/public/scss/mantou.scss')
        .pipe(plugins.plumber())
        .pipe(plugins.sass())
        .pipe(gulp.dest('./web/public/css/'));
});

//minify css
gulp.task('minify-css',['styles'], function() {
    gulp.src('./web/public/css/mantou.css')
        .pipe(gulp.dest('./web/public/css/'))
        .pipe(rename({ suffix: '.min' }))
        .pipe(minifyCSS({keepBreaks:true}))
        .pipe(gulp.dest('./web/public/dist/'))
});

// start express server
gulp.task('server', function() {
    server.listen({path: './web/app.js'});
});

// restart server if app.js changed
gulp.task('server:restart', function() {
    gulp.watch(['./web/app.js','./web/router.js','./web/controllers/*.js','./web/models/*.js','./web/middlewares/*.js','./web/views/*.hbs','./web/views/partials/*.hbs'], server.restart);
});