TypeScript at Slack

An excellent subhead by Felix Rieseberg: How I Learned to Stop Worrying & Trust the Compiler.
I’d wager that some of the popularity of SCSS was due to that fact that any valid CSS was valid SCSS, so you could baby step into SCSS on an existing codebase fairly easily. The same is true with TypeScript:
Modern JavaScript is valid TypeScript, meaning that one can use TypeScript without changing a single line of code. This allowed us to use …

TypeScript at Slack is a post from CSS-Tricks

Link: https://slack.engineering/typescript-at-slack-a81307fa288d