gulpfile.js

// Load all the required plugins.
var gulp   = require('gulp'),
	fs     = require('fs'),
	exec   = require('gulp-exec'),
	coffee = require('gulp-coffee'),
	concat = require('gulp-concat'),
	gutil  = require('gulp-util'),
	notify = require('gulp-notify'),
	rename = require('gulp-rename'),
	sass   = require('gulp-ruby-sass'),
	uglify = require('gulp-uglify'),
	watch  = require('gulp-watch');

var input  = 'resources/assets/',
	output = 'resources/theme/assets/';

var scripts = [
	input + 'coffee/*.coffee'
];

var styles = [
	input + 'scss/grapevine.scss'
];

gulp.task('styles', function() {
	return gulp.src(styles)
		.pipe(sass())
		.pipe(rename('grapevine.dev.css'))
		.pipe(gulp.dest(output + '/css'))
		.pipe(sass({style: 'compressed'}))
		.pipe(rename('grapevine.min.css'))
		.pipe(gulp.dest(output + '/css'))
		.pipe(notify({ message: 'SCSS files compiled.' }));
});

gulp.task('scripts', function() {
	return gulp.src(scripts)
		.pipe(coffee().on('error', gutil.log))
		.pipe(concat('grapevine.dev.js'))
		.pipe(gulp.dest(output + 'js'))
		.pipe(rename('grapevine.min.js'))
		.pipe(uglify({mangle: true}))
		.pipe(gulp.dest(output + 'js'))
		.pipe(notify({ message: 'Javascript files compiled.' }));
});

// Helper task for watching the scripts directories, and only the script directories
gulp.task('scripts-watch', function() {
	gulp.run('scripts');

	gulp.watch(input + 'coffee/**', function() {
		gulp.run('scripts');
	});
});

gulp.task('styles-watch', function() {
	gulp.run('styles');

	gulp.watch(input + 'scss/**', function() {
		gulp.run('styles');
	});
});

// When running gulp without any tasks, it'll watch the scripts, styles, and do artisan publishing.etc.
gulp.task('default' , function() {
	gulp.start('scripts-watch', 'styles-watch');
});