Is CoffeeScript suitable for general purposes?

Question

Mobile development

As I see the coffee script is not very popular (I don't know why).

Answer 1

Won't fit.
1. He had his own very narrow niche, and she was a piece of the JS niche, which is also quite limited.
2. Was. Past tense.

Answer 2

I love coffee, but you're right, it fell out of favor with the release of TypeScript and ES6. Although the operator '?' I really miss it :(((. I
actively use it in my own projects, but you can’t sell it to clients :)
If Coffee caught on, then take a look at Jade / Pug, roughly speaking, the same as coffee, only for html / xml templates.