gulp

What is gulp?

Documentation

Samplegulpfile.js

vargulp=require('gulp');varcoffee=require('gulp-coffee');varconcat=require('gulp-concat');varuglify=require('gulp-uglify');varimagemin=require('gulp-imagemin');varsourcemaps=require('gulp-sourcemaps');vardel=require('del');varpaths={scripts:['client/js/**/*.coffee','!client/external/**/*.coffee'],images:'client/img/**/*'};// Not all tasks need to use streams// A gulpfile is just another node program and you can use any package available on npmgulp.task('clean',function(cb){// You can use multiple globbing patterns as you would with `gulp.src`del(['build'],cb);});gulp.task('scripts',['clean'],function(){// Minify and copy all JavaScript (except vendor scripts)// with sourcemaps all the way downreturngulp.src(paths.scripts).pipe(sourcemaps.init()).pipe(coffee()).pipe(uglify()).pipe(concat('all.min.js')).pipe(sourcemaps.write()).pipe(gulp.dest('build/js'));});// Copy all static imagesgulp.task('images',['clean'],function(){returngulp.src(paths.images)// Pass in options to the task.pipe(imagemin({optimizationLevel:5})).pipe(gulp.dest('build/img'));});// Rerun the task when a file changesgulp.task('watch',function(){gulp.watch(paths.scripts,['scripts']);gulp.watch(paths.images,['images']);});// The default task (called when you run `gulp` from cli)gulp.task('default',['watch','scripts','images']);

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