Vercel Labs ports tsc back to TypeScript — and it runs 2-4x faster than tsgo

zeeg · x · 2026-10-17

Vercel Labs released tsc-ts: after TypeScript's compiler was rewritten in Go (tsgo), they ported it back to TypeScript and compiled it with scriptc, making it 2-4x faster than tsgo. Aiden Bai then asked who's writing the next rewrite of tsc to Go, and Guillermo Rauch (zeeg) reposted the thread.

Related event: Vercel Ports Go-based TypeScript Compiler Back to TypeScript, 2-4x Faster(2 posts)→

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