Good luck with your project, for now you should trust the other implementations more :) But I've tried to keep the code reasonably small and (hopefully) readab

Good luck with your project, for now you should trust the other implementations more :) But I've tried to keep the code reasonably small and (hopefully) readable - which is why it's currently targeting ES1997 - rather than having lots of features, so it's probably more understandable than V8.