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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