884: Typescript Just Got 10x Faster

Hosted byWes Bos

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

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