gulpfile.js

var gulp = require('gulp')
    ,   sass = require('gulp-ruby-sass')
    ,   minifyCSS = require('gulp-minify-css')
    ,   concat = require('gulp-concat')
    ,   plumber    = require('gulp-plumber')
    ,   uglify = require('gulp-uglify')
    ,   rename = require('gulp-rename');

var onError = function(err) {
    console.log(err);
}

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

    var bootstrap = gulp.src('./src/ITRLibraryBundle/Resources/public/css/bootstrap.scss')
        .pipe(plumber({
            errorHandler: onError
        }))
        .pipe(sass({ style: 'expanded' }))
        .pipe(minifyCSS({keepBreaks:true}))
        .pipe(rename({suffix: '.min'}))
        .pipe(gulp.dest('./web/css/'));
});


gulp.task('scripts', function() {
    return gulp.src('./bower_components/bootstrap-sass-official/assets/javascripts/bootstrap.js')
        .pipe(plumber({
            errorHandler: onError
        }))
        .pipe(uglify())
        .pipe(rename({suffix: '.min'}))
        .pipe(gulp.dest('./web/js/'));
});

gulp.task('copy', function() {
    gulp.src('./bower_components/bootstrap-sass-official/assets/fonts/bootstrap/*.{ttf,woff,eof,svg,eot}')
        .pipe(gulp.dest('./web/fonts/bootstrap/'));
});

gulp.task('copy_jquery', function() {
    gulp.src('./bower_components/jquery/jquery.min.js')
        .pipe(gulp.dest('./web/js/'));
});

gulp.task('copy_select2', function() {
    gulp.src('./bower_components/select2/dist/css/*.min.css')
        .pipe(gulp.dest('./web/css/'));
    gulp.src('./bower_components/select2/dist/js/*.min.js')
        .pipe(gulp.dest('./web/js/'));
    gulp.src('./bower_components/select2-bootstrap-theme/dist/*.min.css')
        .pipe(gulp.dest('./web/css/'));
});

gulp.task('copy_images', function() {
    gulp.src('./src/ITRLibraryBundle/Resources/public/img/**/*.*')
        .pipe(gulp.dest('./web/img/'));
});

gulp.task('build', [
    'copy',
    'copy_select2',
    'copy_jquery',
    'copy_images',
    'styles',
    'scripts'
]);