TypeScript at Slack
I have become a create-react-app junkie but unfortunately TS is still not (officially) supported in it [1] so for the moment I stick to using flowtype.<p>[1] <a href="https://github.com/facebookincubator/create-react-app/issues/142" rel="nofollow">https://github.com/facebookincubator/create-react-app/issues...</a>