gulp まとめ

$ npm install --save gulp
$ npm install --save gulp-coffee gulp-concat

// gulpfile.js

var gulp = require('gulp');

var coffee = require('gulp-coffee');

var concat = require('gulp-concat');
// CoffeeScript

gulp.task('coffee', function() {

  return gulp.src('coffee/*.coffee)

    .pipe(coffee())

    .pipe(concat('main.js'))

    .pipe(gulp.dest('js/'))

});
// デフォルトタスク

gulp.task('default', [

  'coffee'

]);

$ gulp coffee
$ gulp coffee sass

// gulp watch and gulp-uglify(gulpfile.js)

var gulp = require('gulp');

var coffee = require('gulp-coffee');

var concat = require('gulp-concat');

var compass = require('gulp-compass');

var watch = require('gulp-watch');

var uglify = require("gulp-uglify");
gulp.task('coffee', function() {

	return gulp.src('coffee/*.coffee')

	.pipe(coffee())

	.pipe(concat('main.js'))

	.pipe(gulp.dest('js/'))

});
gulp.task("compass", function() {

	return gulp.src("scss/*.scss")

	.pipe(compass({

		config_file: './config.rb',

		css: 'css',

		sass: 'scss'

	}))

	.pipe(gulp.dest("css/"))

});
gulp.task("js", function() {

	gulp.src(["js/*.js"])

	.pipe(uglify())

	.pipe(gulp.dest("./js/min"));

})


gulp.task('watch', function () {

	gulp.watch('coffee/*.coffee', function() {

		gulp.start(['coffee']);

	});
	gulp.watch('scss/*.scss', function() {

		gulp.start(['compass']);

	});

})