Gulpfile.js

////////////////////////////////////////////////////////////////////////////////////
// Imports
////////////////////////////////////////////////////////////////////////////////////

var gulp = require('gulp');

var sourcemaps = require('gulp-sourcemaps');
var traceur = require('gulp-traceur');
var sass = require('gulp-ruby-sass');

var usemin = require('gulp-usemin');
var uglify = require('gulp-uglify');
var minifyHtml = require('gulp-minify-html');
var minifyCss = require('gulp-minify-css');
var rev = require('gulp-rev');
var notify = require('gulp-notify');
var ngAnnotate = require('gulp-ng-annotate');
var rename = require('gulp-rename');

var runSequence = require('run-sequence');
var debug = require('gulp-debug');

//var svgmin = require('gulp-svgmin');


////////////////////////////////////////////////////////////////////////////////////
// Tasks
////////////////////////////////////////////////////////////////////////////////////

gulp.task('build-sources', function () {
	return gulp.src('src/javascript/**/*.js')
		//.pipe(sourcemaps.init())
		.pipe(traceur())
		//.pipe(sourcemaps.write('.'))
		.pipe(gulp.dest('build'));
});

gulp.task('copy-public', function () {
	return gulp.src('public/**/*')
		.pipe(gulp.dest('build/public'));
});

gulp.task('copy-public-html', function () {
	return gulp.src('public/**/*.html')
		.pipe(gulp.dest('build/public'));
});

gulp.task('copy-public-images', function () {
	return gulp.src(['public/images/**/*.png', 'public/**/*.gif', 'public/**/*.jpg', 'public/**/*.jpeg'])
		.pipe(gulp.dest('build/public/images'));
});

gulp.task('usemin-public-html', function () {
	return gulp.src('public/index.html')
		.pipe(usemin({
			css: [minifyCss(), 'concat', rev(), rename({ extname: ".min.css" })],
			app_css: [minifyCss(), 'concat', rev(), rename({ extname: ".min.css" })],
			html: [minifyHtml({empty: true})],
			js: [uglify(), 'concat', rev(), rename({ extname: ".min.js" })],
			app_js: [ngAnnotate(), uglify(), rev(), rename({ extname: ".min.js" })]
		}))
		.pipe(gulp.dest('build/public'));
});


gulp.task('modernizr-min', function () {
	return gulp.src('public/bower_components/modernizr/modernizr.js')
		.pipe(uglify())
		.pipe(rename({ extname: ".min.js" }))
		.pipe(gulp.dest('public/bower_components/modernizr/'));
});

//
//gulp.task('ng-annotate-public-scripts', function () {
//	return gulp.src('public/scripts/*.js')
//		.pipe(ngAnnotate())
//		.on('error', notify.onError("Error: <%= error.message %>"))
//		.pipe(uglify())
//		.on('error', notify.onError("Error: <%= error.message %>"))
//		.pipe(rev())
//		.on('error', notify.onError("Error: <%= error.message %>"))
//		.pipe(rename({ extname: ".min.js" }))
//		.pipe(gulp.dest('build/public/scripts'));
//});

gulp.task('copy-public-styles', function () {
	return gulp.src('public/styles/**/*.css')
		.pipe(gulp.dest('build/public/styles'));
});

gulp.task('copy-public-scripts', function () {
	return gulp.src('public/scripts/**/*')
		.pipe(gulp.dest('build/public/scripts'));
});

gulp.task('copy-views', function () {
	return gulp.src('views/*')
		.pipe(gulp.dest('build/views'));
});

gulp.task('copy-templates', function () {
	return gulp.src('templates/**/*')
		.pipe(gulp.dest('build/templates'));
});

gulp.task('copy-project-resources', function () {
	return gulp.src('{package.json,README.md}')
		.pipe(gulp.dest('build/'));
});

//gulp.task('copy-public-svg', function() {
//	return gulp.src('public/images/**/*.svg')
//		.pipe(svgmin())
//		.pipe(gulp.dest('build/public/images'));
//});

gulp.task('build-sass', function () {
	sass('src/sass', { style: 'expanded' })
		.pipe(gulp.dest('public/styles'));
});

gulp.task('watch-sass', function() {
	gulp.watch('src/sass/**/*.scss', ['build-sass']);
});

gulp.task('watch-views', function() {
	gulp.watch('views/*', ['copy-views']);
});

gulp.task('watch-public-scripts', function() {
	gulp.watch('public/scripts/**/*.js', ['copy-public-scripts']);
});

gulp.task('watch-public-html', function() {
	gulp.watch('public/**/*.html', ['copy-public-html']);
});

gulp.task('watch-public-styles', function() {
	gulp.watch('public/styles/**/*.css', ['copy-public-styles']);
});

gulp.task('watch-public-svg', function() {
	gulp.watch('public/images/**/*.svg', ['copy-public-svg']);
});

gulp.task('watch', ['watch-sass', 'watch-views', 'watch-public-scripts']);

// default gulp task
gulp.task('default',
	function(callback) {
		runSequence(
			['build-sources', 'build-sass', 'modernizr-min', 'copy-views', 'copy-templates', 'copy-project-resources'],
			'copy-public',
			'usemin-public-html',
			callback
		);
	});