ECMAScript 2025 is Ratified, Vite 7, and 6 Advanced TS Tricks | News | Ep 24

TypeScript.fm - The Friendly Show for TypeScript Developers

News for the week of June 23, 2025: Ecma ratifies ES2025 standard, Vite 7 is mostly deprecations, Oracle gets a free pass, and the experimental type stripping warning is... stripped... from latest Node LTS releases. From the community: 6 advanced TS tricks, a new type-safe WebSockets API, and RegEx tips.

Chapters

• (00:00) - Introduction and Personal News
• (04:59) - News: ECMAScript 2025 is Here
• (07:06) - News: Vite 7.0 is Out
• (10:15) - News: Node 24.3.0 and 22.17.0 LTS Releases
• (10:39) - News: Oracle v Deno Trademark Fraud Claim is Dismissed
• (12:04) - News: Astro 5.10 Introduces Experimental Live Content Collections
• (12:34) - Community Highlight: 6 Advanced TS Tricks by OlegWock
• (15:54) - Community Highlight: TypeScript Stuff I Wish I Knew Earlier
• (19:52) - Community Highlight: zap-socket Offers a TypeScript-first WebSocket API
• (20:42) - Community Highlight: Dr. Axel Shares Tips for Making Regular Expressions Better in JS
• (22:01) - Community Highlight: Functional Programming Examples in TS
• (22:50) - Community Highlight: Exhaustiveness Checking with never
• (24:12) - Community Highlight: Deno Adding Support for Import Type Text and Bytes
• (24:39) - Community Highlight: Importing JSON as const
• (26:37) - Community Highlight: Branded Types Example with ArkType
• (27:21) - Cool API: Promise.try Nuances Erik Realized After the Fact
• (29:48) - Cool Watch: Mitchell Hashimoto's Talk on Testing
• (30:44) - Cool Listen: Jake Archibald on Why We Don't Have HTML Imports
• (31:25) - Cool Link: PNG 3.0 Spec
• (32:41) - Cool Link: Invite an Eagle to Your Zoom Meeting
• (33:41) - Cool Read: Node.js Celebrates Pride Month

News

• Ecma International approves ECMAScript 2025: What’s new?
• Vite 7.0 is out and deprecates a bunch of stuff
• Oracle fraud claim is dismissed in the latest JavaScript™ Trademark Update from Deno
• Astro 5.10 brings experimental Live Content Collections

From the Community

• 6 advanced TypeScript tricks · OlegWock (h/t Reddit)
• TypeScript stuff I Wish I Knew Earlier (h/t Reddit)
• Use https://github.com/type-challenges/type-challenges to become a generic God
• zap-socket – A Typescript-first abstraction over WebSockets (h/t Reddit)
  • Blog post: My attempt at fixing websockets
• Dr. Axel's tips for making regular expressions easier to use in JavaScript
• Functional Programming tips in TypeScript by Kanishka Naik
  • Algebraic Data Types
  • Monoids and Semigroups
  • Pattern Matching
  • Lazy Evaluation
• Exhaustive Checks with never by Nico
• Import types text and bytes coming to Deno 2.4 via David Sherret
• Importing JSON config as const via cinny.bun.how (+ tracking TS issue)
• Example of using branded (nominal) types in ArkType

Cool Stuff

• Erik's neovim config is open source (one of us! one of us!)
• API: Promise.try
• Talk: Can we test it? Yes, was can! - Mitchell Hashimoto (co-founder of Hashicorp)
• Listen: Jake Archibald on Native HTML Includes (ShopTalk)
• Read: PNG is back! by Chris Blume who chairs the PNG working group
• Read: New version of PNG to challenge AVIF and WebP for image dominance on the web
• Invite: Pay to have an eagle, owl or falcon join your Zoom meeting
• Read: Node.js series to celebrate Pride Month

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)