I think if you call it a DSL and are comparing it to CoffeeScript, you might be misunderstanding what TypeScript is/does for you, and you might be missing out.

I think if you call it a DSL and are comparing it to CoffeeScript, you might be misunderstanding what TypeScript is/does for you, and you might be missing out. If you're using ESLint, I'm quite sure you'd like TS as well, so if that is the case, you might want to give it an actual chance.