Gulp File

gulpfile

var gulp = require('gulp');
var autoprefixer = require('gulp-autoprefixer');
var minifycss = require('gulp-minify-css');
var rename = require('gulp-rename');
var uglify = require('gulp-uglify');

// css files at lib/css/sitefunc -> public/css/sitefunc
gulp.task('sitefunc-css', function() {
	return gulp.src('lib/css/sitefunc/*.css')
		.pipe(autoprefixer([
            'Android 2.3',
            'Android >= 4',
            'Chrome >= 20',
            'Firefox >= 24',
            'Explorer >= 8',
            'iOS >= 6',
            'Opera >= 12',
            'Safari >= 6']))
		.pipe(minifycss())
		.pipe(rename({ extname : '.min.css' }))
		.pipe(gulp.dest('public/css/sitefunc'));
});

// css files at lib/css/plugins -> public/css/plugins
gulp.task('plugins-css', function() {
        return gulp.src('lib/css/plugins/*.css')
                .pipe(autoprefixer([
            'Android 2.3',
            'Android >= 4',
            'Chrome >= 20',
            'Firefox >= 24',
            'Explorer >= 8',
            'iOS >= 6',
            'Opera >= 12',
            'Safari >= 6']))
                .pipe(minifycss())
                .pipe(rename({ extname : '.min.css' }))
                .pipe(gulp.dest('public/css/plugins'));
});


// js files at lib/js/sitefunc -> public/js/sitefunc
gulp.task('sitefunc-js', function() {
	return gulp.src('lib/js/sitefunc/*.js')
		.pipe(uglify())
		.pipe(rename({ extname : '.min.js' }))
		.pipe(gulp.dest('public/js/sitefunc'));
});

// js files at lib/js/plugins -> public/js/plugins
gulp.task('plugins-js', function() {
        return gulp.src('lib/js/plugins/*.js')
                .pipe(uglify())
                .pipe(rename({ extname : '.min.js' }))
                .pipe(gulp.dest('public/js/plugins'));
});

gulp.task('default', function() {
	gulp.watch('lib/css/sitefunc/*.css', function() {
		gulp.run('sitefunc-css');
	});

	gulp.watch('lib/css/plugins/*.css', function() {
		gulp.run('plugins-css');
	});

	gulp.watch('lib/js/sitefunc/*.js', function() {
		gulp.run('sitefunc-js');
	});

	gulp.watch('lib/js/plugins/*.js', function() {
		gulp.run('plugins.js');
	});
});