gulpfile.js

var gulp         = require('gulp'),
    concat       = require('gulp-concat'),
    uglify       = require('gulp-uglify'),
    autoprefixer = require('gulp-autoprefixer'),
    sass         = require('gulp-sass'),
    minifyCss    = require('gulp-minify-css'),
    del          = require('del'),
    imagemin     = require('gulp-imagemin'),
    sourcemaps   = require('gulp-sourcemaps'),
    babel        = require('gulp-babel'),
    browserSync  = require('browser-sync').create(),
    util         = require('gulp-util');

gulp.task('default', ['clean'], function() {
    gulp.start('fonts', 'css', 'templates', 'scss', 'js', 'images', 'scripts');
});

gulp.task('clean', function () {
    del(['scss', 'js', 'images']);
});

gulp.task('scss', function () {
    return gulp.src('web-src/scss/*.scss')
        .pipe(sourcemaps.init(''))
        .pipe(sass().on('error', sass.logError))
        .on('error', browserifyHandler)
        .pipe(autoprefixer())
        .pipe(minifyCss({
            keepSpecialComments: 0
        }))
        .pipe(sourcemaps.write(''))
        .pipe(gulp.dest('web/scss'))
        .pipe(browserSync.stream());
});

gulp.task('images', function () {
    return gulp.src(['web-src/images/*'])
        .pipe(imagemin({
            progressive: true,
            interlaced: true
        }))
        .pipe(gulp.dest('web/images/'))
        .pipe(browserSync.stream());
});

gulp.task('scripts', function() {
    return gulp.src(['web-src/js/*.js'])
        .pipe(sourcemaps.init())
        .pipe(babel())
        .on('error', browserifyHandler)
        .on('error', browserifyHandler)
        .pipe(concat('app.js'))
        .pipe(uglify())
        .pipe(sourcemaps.write("."))
        .pipe(gulp.dest('web/js/'))
        .pipe(browserSync.stream());
});


function browserifyHandler(err) {
    util.log(util.colors.red('Error: ' + err.message));
    this.end();
}

gulp.task('watch', function () {
    var css = gulp.watch('web-src/scss/*.scss', ['scss']),
        templates = gulp.watch('web-src/templates/*', ['templates']),
        js = gulp.watch('web-src/js/*', ['scripts']);
});



gulp.task('fonts', function () {
    return gulp.src([
            'bower_components/bootstrap/fonts/*',
            'bower_components/font-awesome/fonts/*',
            'bower_components/font-awesome/css/*'
        ])
        .pipe(gulp.dest('web/fonts/'))
});

gulp.task('templates', function () {
    return gulp.src([
            'web-src/templates/*'
        ])
        .pipe(gulp.dest('web/templates/'))
});


gulp.task('css', function () {
    return gulp.src([
            'bower_components/bootstrap/dist/css/bootstrap.min.css',
            'bower_components/bootstrap/dist/css/bootstrap-theme.min.css'
        ])
        .pipe(gulp.dest('web/css/'))
});

gulp.task('js', function () {
    return gulp.src([
            'bower_components/angular/angular.min.js',
            'bower_components/angular-contenteditable/angular-contenteditable.js',
            'bower_components/ngDraggable/ngDraggable.js',
            'bower_components/jquery/dist/jquery.min.js',
            'bower_components/bootstrap/dist/js/bootstrap.min.js'
        ])
        .pipe(concat('vendor.js'))
        .pipe(gulp.dest('web/js/'));
});