[dtagames]

Something of both, lol! It's definitely true that greenfield projects can and probably should at least look at other options. What I mean is that, for better or worse, after any significant code base gets established, changing the language it uses is akin to starting over. When you do, you're back at greenfield.

Many (most?) projects will never qualify for such a rewrite, so JS/TS it is. I'm a huge fan of both, so I'm ok with them being around for a while.