Write javascript ES6 (http://git.io/es6features) in your Meteor app. A port of the Babel transpiler (previosly known as 6to5).
It also include the runtime and core-js to support features like function generators, sets,..
meteor add grigio:babel
Inside this package:
meteor test-packages ./
accepted file extension es6.js, es6, es, jsx
Copyright (C) 2014 Luigi Maselli - http://grigio.org - MIT Licence