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This week Kamran dives into some nuances with using React with TypeScript while Erik plays the React fool and coins the word "schbooleans" (yep). In the news, erasableSyntaxOnly gets shipped, some new minor releases in the ecosystem, and oh, TypeScript types can run DOOM. Yes, TS is a real language now.
Erik's News
Erik's News
- Personal Blog Post: The Best Worst Year
- Happy New Year Excalibur!
- Excalibur 2024 Community Reel
- Erik didn't finish the flappy bird vid or lighting feature in time, consolation prize
- Excalibur Lighting PRs: Pipeline & PoC
Week of February 24, 2025
- (04:16) - News: TypeScript 5.8 Released
- userland-codemods for transforming import extensions to ".ts"
- (06:32) - News: Bun 1.2.4 Released
- (08:01) - News: Next.js 15.2 Released
- (09:29) - News: Astro 5.4 Released
- (09:49) - News: React Router 7.2 Released
- (10:25) - News: ArkType 2.1 Released
- (11:23) - News: Mozilla's Firefox Privacy Policy Rug-pull
- (14:32) - News: Warp Terminal is Now Available on Windows
- (15:55) - Community Highlights: TypeScript Types Can Run DOOM (!?)
- Write-up by Simon Willison
- Write-up on Socket.dev
- Mark Seeman's series (and course) on type-driven development (F#)
- (20:24) - Community Highlights: Dr. Axel's Corner
- (22:19) - Community Highlights: Safety-Web ESLint Plugin
- (23:27) - Community Highlights: Pattern for Strongly Typed Event Emitters
- (24:20) - Community Highlights: Websocks, a Typed WebSockets Router for Node
Deep Dive: TypeScript and React Nuances
- (26:17) - Deep Dive: TypeScript and React
- (27:26) - Deep Dive: What You Need to Know First
- (28:27) - Deep Dive: TSConfig Options for React and TS
- (32:55) - Deep Dive: How JSX/TSX Works Under the Hood
- Deno has native support for TSX/JSX
- And so does Bun
- (35:03) - Deep Dive: TSX in Different Runtimes
- (35:39) - Deep Dive: Typing Components and Props
- (38:12) - Deep Dive: Typing the Children Prop
- (40:13) - Deep Dive: Where Should Typings Go?
- (41:05) - Deep Dive: Should I Use React Class Components?
- (43:21) - Deep Dive: Typing Events and Callbacks
- (46:59) - Deep Dive: Typing Data and APIs
- (48:41) - Deep Dive: Typing Form Actions and "Schbooleans"
- (51:19) - Deep Dive: Typing State and Set-state Actions
- (54:11) - Deep Dive: Typing Contexts
- (54:49) - Deep Dive: Typing Refs and DOM Attributes
- (58:19) - Deep Dive: Sharing Typed Components in Libraries
- (59:56) - Deep Dive: Takeaways / tl;dl
- Resource: React and TS Cheatsheets
- Resource: Using React with TypeScript guided code lab on Pluralsight (requires subscription)
Secrets of the Handbook
- (01:01:30) - Secrets of the Handbook: Our Favorite Utility Types
Links
- (01:04:13) - Cool Stuff: Kamran's been playing Avowed and Pillars of Eternity
- (01:05:25) - Cool Stuff: Erik's spreads his stink with neovim for Newbs
- (01:06:03) - Cool Stuff: Wanna build a multiplayer server? Colyseus 0.16.0 is Out
Sponsored by Excalibur.js
Excalibur.js is the friendly TypeScript game engine for making 2D web games. Use your TypeScript or JavaScript skills to make games! Excalibur comes out-of-the-box with everything you need to make web games, like physics, sprites, animations, sound effects, input, and particles. Design your assets with tools like Aseprite and Tiled, then load them natively using first-party plugins.
Music
Seahorse Dreams by Kubbi (Spotify)
Creators and Guests
What is TypeScript.fm - The Friendly Show for TypeScript Developers?
The two TypeScript Fools, Kamran Ayub and Erik Onarheim, get together weekly to bring you news, community highlights, and deep dives into the TypeScript ecosystem. Stay up-to-date on what's happening and learn new things to make you a better TypeScript developer along the way!