Goals

js2coffee 2.0 (aka js2coffee-redux) aims to have these improvements over the js2coffee 0.x series:

✓ Use a new JS parser.
The new js2coffee is built upon Esprima, which uses the standardized ECMAScript Parser API.
✓ Cleaner repository.
js2coffee/js2coffee has way too much boilerplate and DocPad-related things in it. There should be no Cakefiles or anything, just package.json.
✓ Be fully browserify-compatible with minimal cruft.
Building a browesrify build is as easy as browserify -t coffeeify ..
Everything will work with minimal fuzz.
✓ More maintainable.
Carefully think out the API and the structure of the repository so to minimize boilerplates and dependencies.

New features

✓ Compatibility warnings.
Give warnings for things that may break, such as == being converted to is.
✓ Source maps.
The new js2coffee website will feature a new editor that will allow you to see what each point of the source compiles to.
More configurable options.
This will allow you to select if you would like and vs &&, or is vs ===, and so on.
✓ Better error messages.
Error messages now show a preview of the source where errors happen, such as what you'd expect in CoffeeScriptRedux.