884: Typescript Just Got 10x Faster

Wes and Scott talk with Anders Hejlsberg and Daniel Rosenwasser about TypeScript’s leap to native code. They discuss the challenges, trade-offs, and the decision to port TypeScript to Go, unlocking faster compilation, better concurrency, and new possibilities for AI-assisted development. Show Notes 00:00 Welcome to Syntax! 00:38 TypeScript compiler goes native 05:24 Challenges in rebuilding TypeScript 08:49 How long has this been in development? 10:32 What does porting TypeScript to native entail? 16:36 Why choose Go? 26:48 The porting process 35:02 Brought to you by Sentry.io 35:27 Type checking and parallel compilation 42:36 Fixing TypeScript’s performance bottlenecks 49:09 Large TypeScript codebases 54:11 What’s the timeline for the new compiler? 58:39 Optimization and AI 01:00:32 New features? 01:04:15 Sick Picks + Shameless Plugs Sick Picks Daniel: pprof-it Anders: USB Hand Warmers Shameless Plugs TypeScript Hit us up on Socials! Syntax: X Instagram Tiktok LinkedIn Threads Wes: X Instagram Tiktok LinkedIn Threads Scott: X Instagram Tiktok LinkedIn Threads Randy: X Instagram YouTube Threads