This is reply for moonbit author.
https://twitter.com/bobzhang1988/status/1784065637092089951
I have a slightly different opinion.
TypeScript was an ecosystem that combined a universal escape hatch called any
with incremental typing. The community-based DefinitelyTyped provided an experience that, from a personal perspective, expanded the world of typing just by sleeping on it. This is an experience that Flow and ReScript did not provide. Unfortunately.