I've never had to debug actual JavaScript whenever I've used TypeScript. Source maps are pretty nice and both Firefox and Chrome developer console are a joy to

I've never had to debug actual JavaScript whenever I've used TypeScript. Source maps are pretty nice and both Firefox and Chrome developer console are a joy to use when debugging. There have been plenty of times when dropping down to the assembly level and looking at obj dumps has been the right way to debug a problem so abstractions leak no matter where you are in the stack.