javascript-decorators

I see decorators being used today already in some javascript code. My question is really two fold. First: If decorators have not even been finalized how is it possible to use them in production code, today? Won't browser support be non-existent? Second: Given it is possible to use it today, as some open source projects would suggest, what's a typically recommended setup for getting decorators to work? You're right, ES2016 decorators are not yet part of the spec. But it doesn't mean we can't use it today. First let's take a step back and go over "what is a decorator". Decorators are simply

I see that babel.js decorators (available in "stage 1") implement the spec at https://github.com/wycats/javascript-decorators . It appears that decorators are limited to (1) classes, (2) accessors, and (3) methods. In my case, I want to use decorators on plain old functions , as in @chainable function foo() { } where (just an example) function chainable(fn) { return function() { fn.apply(this, arguments); return this; }; } I don't see any logical reason why decorators should not be able to apply to functions. My question is, is there some way to accomplish this? Or is there some good reason