When typescript came out, you were seen as weird for wanting such a thing. I once had a VP of engineering dm me to tell me to stop discussing typescript in the

When typescript came out, you were seen as weird for wanting such a thing. I once had a VP of engineering dm me to tell me to stop discussing typescript in the company dev channel around 2015 (if you're reading this, that was a dick move). Nowadays you're kinda odd man out if you don't want types. So the idea of adding types even optional ones probably wouldn't have gone down well. The closest we ever came was es4 which of course never landed: https://evertpot.com/ecmascript-4-the-missing-version/ https://evertpot.com/ecmascript-4-the-missing-version/