Deno Fresh 2.0 Alpha, a BigInt Trick, and Learn TS in One Hour | News | Ep 28

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News of the week of July 21, 2025: Deno Fresh 2.0 is in alpha, TS 5.9 RC has some small changes, and beware the latest eslint-config-prettier supply chain attack. From the community: learn TypeScript for free in an hour, master generics through Soduku, run TS in the browser without a build step, and a library for modern TS dependency injection.

Chapters

  • (00:00) - Introduction and Personal News
  • (07:14) - News: Try Out the Deno Fresh 2.0 Alpha
  • (08:32) - News: TypeScript 5.9 RC Includes Some Small Fixes
  • (09:22) - News: TSGo Adds @satisfies Support for JSDoc
  • (09:44) - PSA: eslint-config-prettier Supply Chain Attack
  • (10:35) - Correction: tsgolint and TSL Clarifications
  • (12:25) - Community Highlight: Learn TS in One Hour by freeCodeCamp
  • (12:53) - Community Highlight: Mastering TypeScript Mysteries by Sweta Tanwar
  • (13:37) - Community Highlight: Using BigInt to Make Sure a String is a Well-formed Integer
  • (14:38) - Community Highlight: tsbro Runs TypeScript in the Browser
  • (16:28) - Community Highlight: pure-ts-mock is a Standalone Mocking Library
  • (17:31) - Community Highlight: Custom SSR for Lit Web Components Using Deno Emit
  • (19:33) - Community Highlight: Mastering TypeScript Types by Laxman Rathod
  • (20:19) - Community Highlight: Building TypeScript Apps with Bun and Electron with electrobun
  • (21:08) - Secret of the Handbook: const Generics
  • (23:06) - Cool API: navigator.sendBeacon for Analytics
  • (24:43) - Cool Lib: es-toolkit, A Modern JavaScript Utility Library
  • (25:26) - Cool Lib: di-wise, a Zero Deps Dependency Injection Library for TS
  • (26:29) - Cool Read: NIH is Far Cheaper Than the Wrong Dependency

News
From the Community
Cool Stuff
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

Erik Onarheim
Host
Erik Onarheim
Self-professed Neovim Dandy 🎩 Software developer in Minneapolis ⛄I created a game engine for the web called Excalibur 🗡
Kamran Ayub
Host
Kamran Ayub
Solopreneur, speaker, and Pluralsight author. Founder of KeepTrackOfMyGames.com.
Deno Fresh 2.0 Alpha, a BigInt Trick, and Learn TS in One Hour | News | Ep 28
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