Since early 2014 I’ve been working on a pretty big and complex Angular app called Sling and sadly it’s not using any module system and it’s still using ES5 only. It uses Gulp to bundle and minify all the JavaScript, compile and minify our Less files, add Angular injection annotations to our code, start a webserver with live reloading functionality, watches the source for changes and so on. It actually works really well but after doing the previoustwo experiments that use modules, ES6 an...