Simple Gulp Compiler

gulpfile.js

// dependencies
var gulp        = require('gulp');
var concat      = require('gulp-concat');
var cleanCss    = require('gulp-clean-css');
var sass        = require('gulp-sass');
var uglify      = require('gulp-uglify');
var sourcemaps  = require('gulp-sourcemaps');
var prefix      = require('gulp-autoprefixer');
var rename      = require("gulp-rename");
var livereload  = require("gulp-livereload");

// sass
var css = [
	'./assets/sass/style.scss'
];

// js
var jsheader = [
	'./assets/js/header/header.js'
	// './bower_components/jquery/dist/jquery.js'
];
var jsfooter = [
	'./assets/js/footer/footer.js'
	// './bower_components/pushy/js/pushy.js'
];

// tasks
gulp.task('css', function () {

	gulp.src(css)
	.pipe(sass().on('error', sass.logError))
	.pipe(sourcemaps.init())
	.pipe(prefix({ browsers: ['> 2%', 'IE 9'] }))
	.pipe(concat('style.css'))
	.pipe(cleanCss({compatibility: 'ie9'}))
	.pipe(rename({
		extname: '.min.css'
	}))
	.pipe(sourcemaps.write('./maps'))
	.pipe(gulp.dest('./assets/css'))
	.pipe(livereload());

});

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

	gulp.src(jsheader)
	.pipe(concat('header.js'))
	.pipe(uglify())
	.pipe(rename({
		extname: '.min.js'
	}))
	.pipe(gulp.dest('./assets/js'));

	gulp.src(jsfooter)
	.pipe(concat('footer.js'))
	.pipe(uglify())
	.pipe(rename({
		extname: '.min.js'
	}))
	.pipe(gulp.dest('./assets/js'));

});

gulp.task('default', ['css', 'js'], function () {

	gulp.watch([
		'./assets/js/header/*.js',
		'./assets/js/footer/*.js'
	], ['js']);

	gulp.watch([
		'./assets/sass/**/*.scss'
	], ['css']);

	livereload.listen();

});

package.json

{
  "name": " ",
  "version": "1.0.0",
  "description": " ",
  "main": "gulpfile.js",
  "repository": {
    "type": "git",
    "url": " "
  },
  "scripts": {
    "test": "echo \"Error: no test specified\" && exit 1"
  },
  "author": " ",
  "license": "ISC",
  "devDependencies": {
    "gulp": "^3.9.0",
    "gulp-sass": "^2.1.1",
    "gulp-autoprefixer": "^3.1.0",
    "gulp-clean-css": "^3.7.0",
    "gulp-concat": "^2.6.0",
    "gulp-rename": "^1.2.2",
    "gulp-uglify": "^1.5.1",
    "gulp-sourcemaps": "^1.6.0",
    "gulp-livereload": "^3.8.1"
  }
}