News for the week of June 2, 2025: TSC init command gets new, modern defaults, plus new betas drop for Vite 7 and Babel 8. From the community: Learn advanced TS features in 25 mins, and improve the performance of your TS monorepos with secret arcane knowledge.

Chapters

(00:00) - Introduction and Personal Updates
(02:26) - News: tsc --init Finally Has New Defaults
(04:39) - News: Deferred Imports Syntax Will Land in TS 5.9
(06:38) - News: Vitest 3.2 Brings Annotations, Better TS Support
(08:21) - News: Vite 7 Beta
(09:17) - News: Babel 8 Beta
(10:49) - News: Storybook 9 Adds Interaction Tests, A11y Improvements
(11:54) - News: TC39 Proposal Advancements
(14:54) - News: IRS Uses TypeScript and React
(16:50) - Community Highlight: The M.I.N.T. Principle by Sean Maxwell
(22:07) - Community Highlight: Advanced TS by Web Dev Simplified
(22:32) - Community Highlight: TS Monorepo Tips by Mike Hartington and Colin Hacks
(24:30) - Community Highlight: Learn How Signals Work in TypeScript by Jon Kuperman
(25:32) - Community Highlight: Your Feedback!
(27:07) - Cool Stuff: Reverse-Engineering Linear's Sync Engine
(28:09) - Cool Stuff: Chrome Performance Profiler Gets a Facelift

News

From the Community

The MINT Principle – When to use object-oriented programming in TypeScript (h/t Reddit)
Learn Advanced TypeScript In 25 Minutes (infer, extends, ternaries)
Mike Hartington gave a talk on TypeScript performance
Live types in a TypeScript monorepo (Colin Hacks)
Learn Signals by reading TypeScript (Jon Kuperman)

Cool Stuff

Reverse-engineering Linear's sync engine
Chrome personal profiler changes (Paul Irish)

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Music
Seahorse Dreams by Kubbi (Spotify)

Folge 139: Reich werden mit Familien und E-Commerce Unternehmen