884: Typescript Just Got 10x Faster
Mar 11, 2025•1 hr 9 min
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Episode description
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
- Daniel: pprof-it
- Anders: USB Hand Warmers
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Wes: X Instagram Tiktok LinkedIn Threads
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