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
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Scott: X Instagram Tiktok LinkedIn Threads
Randy: X Instagram YouTube Threads
The Type Annotations proposal
Daniel Rosenwasser and Ryan Cavanaugh from the TypeScript team at Microsoft join Nick and Boneskull to catch us up on the latest happening with the TypeScript project, including what’s exciting in the new 4.7 beta release. Then, we dive deep into the new, TC-39 stage 1 Type Annotations proposal, what it is, and what it means for the future of a not really typed JavaScript!
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Featuring:
Daniel Rosenwasser – GitHub, X
Ryan Cavanaugh – GitHub, X
Nick Nisi – Website, GitHub, Mastodon, X
Christopher Hiller – Website, GitHub, Mastodon, X
Show Notes:
TypeScript 4.7 beta announcement
Type Annotations proposal (Stage 1)
Type checking JavaScript files
Understanding the TypeScript compiler
Something missing or broken? PRs welcome!
