I use TS with transpileOnly flag (compile even if type errors). This is great, because I can prototype fast even if thing's don't yet typecheck and when I have

I use TS with transpileOnly flag (compile even if type errors). This is great, because I can prototype fast even if thing's don't yet typecheck and when I have idea what I'm trying to a chieve I can document all code and polish rough cases without leaving the editor.