Gulpfile boilerplate

Gulpfile.js

var gulp   = require('gulp'),
    concat = require('gulp-concat'),
    less   = require('gulp-less'),
    uglify = require('gulp-uglify');

var files = {
    copyCss: [
        'bower_components/animate.css/animate.min.css',
        'bower_components/suit-components-arrange/lib/arrange.css'
    ],
    copyScripts: [
        'bower_components/jquery/dist/jquery.min.js',
        'bower_components/underscore/underscore-min.js',
        'bower_components/backbone/backbone.js'
    ],
    less: [
        'src/less/app.less'
    ],
    scripts: [
        'bower_components/bootstrap/js/transition.js',
        'bower_components/bootstrap/js/alert.js',
        'bower_components/bootstrap/js/button.js',
        'bower_components/bootstrap/js/carousel.js',
        'bower_components/bootstrap/js/collapse.js',
        'bower_components/bootstrap/js/dropdown.js',
        'bower_components/bootstrap/js/modal.js',
        'bower_components/bootstrap/js/tooltip.js',
        'bower_components/bootstrap/js/popover.js',
        'bower_components/bootstrap/js/scrollspy.js',
        'bower_components/bootstrap/js/tab.js',
        'bower_components/bootstrap/js/affix.js',
        'src/js/*.js'
    ]
};

gulp.task('copy-css', function() {
    return gulp.src(files.copyCss)
        .pipe(gulp.dest('web/css'));
});

gulp.task('less', function() {
    return gulp.src(files.less)
        .pipe(less())
        .pipe(concat('app.css'))
        .pipe(gulp.dest('web/css'));
});

gulp.task('copy-scripts', function() {
    return gulp.src(files.copyScripts)
        .pipe(gulp.dest('web/js'));
});

gulp.task('scripts', function() {
    return gulp.src(files.scripts)
        .pipe(uglify())
        .pipe(concat('app.js'))
        .pipe(gulp.dest('web/js'));
});

gulp.task('watch', function() {
    gulp.watch('src/less/**/*.less', ['less']);
    gulp.watch('src/js/**/*.js', ['scripts']);
});

gulp.task('default', ['copy-css', 'copy-scripts', 'scripts', 'less', 'watch'], function() {
    // do stuff...
});