TypeScript 7.0: The Go Compiler That Makes TS 10x Faster (opens in new tab)

Originally published on danholloran.me If you've worked on a large TypeScript codebase, you know the pain. You hit save, you wait. The type-checker grinds through hundreds of files, your IDE lag spikes, and CI takes minutes just to get through tsc --noEmit. It's not TypeScript's fault — the language has always made a reasonable trade-off between expressiveness and performance. But that trade-off is about to get renegotiated. TypeScript 7.0 is currently in beta, and the headlining change is a ...