

TypeScript.fm - The Friendly Show for TypeScript Developers
Kamran Ayub and Erik Onarheim
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!
Episodes
Mentioned books

Feb 3, 2025 • 52min
We Don’t Talk About Deno-no-no | Ep 3
This week Erik and Kamran make poor dad jokes, talk about Deno, and tour its ecosystem. If you're new to Deno, this will be a great introduction!(00:00) - We Don't Talk About Deno-no-no-no | Ep 3
(06:54) - This Week in TypeScript: Bun 1.2 Released
(10:54) - This Week in TypeScript: 5.8's ErasableSyntaxOnly Flag
(14:57) - This Week in TypeScript: Tailwind 4 Released
(16:26) - This Week in TypeScript: Vitest 3 Released
(17:17) - Errors and Corrections
(18:46) - Deep Dive Into Deno
(22:19) - Deno's Integrated CLI
(23:50) - Deno CLI: deno run
(24:28) - Deno CLI: deno add, install, remove, uninstall
(25:01) - Deno CLI: deno task
(26:19) - Deno CLI: deno test
(27:18) - Deno CLI: deno fmt, deno lint, and deno check
(28:15) - Deno CLI: deno serve
(29:26) - Deno CLI: deno doc
(30:07) - Deno CLI: deno bench
(31:24) - Deno's Standard Library
(33:21) - Deno CLI: deno compile
(36:24) - Deno's Performance
(37:32) - What is Deno Fresh?
(38:17) - What is JSR?
(39:43) - What is Deno Deploy?
(40:38) - Moving from Node to Deno as a Developer
(45:48) - Deno CLI: deno upgrade
(47:13) - What Are We Excited About In the Future With Deno
(48:13) - Secrets of the Handbook: TSConfig's extendedDiagnostic
(50:12) - Cool Stuff: Serve a Folder in a Single Deno Command
(50:44) - Cool Stuff: Flappy Bird Clone in Deno Compile
NewsBun 1.2 releasedMatt Pocock's take on erasableSyntaxOnlyTC39 Types as Comments proposalTailwind 4 releasedVitest 3 releasedDeno Deep DiveDeno’s 2024 in review blog postRusty v8 -- Rust bindings for V8Deno CLI docsPerformanceDeno benchmark statsDenosaurs benchmarksAWS Lambda cold-startsDeno FreshJSRDeno DeployKamran's Advent of Code 2024 repo using DenoLinksLearn Vim’s keyboard shortcuts with Vim AdventuresMinnesota's Art Shanty Projects during the winterSecrets of the Handbook: TSConfig – extendedDiagnosticsAlias to serve a folder using a single Deno command like npx serve (h/t Kamran)Deno Compile video with Flappy BirdSponsored by Excalibur.jsExcalibur.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.MusicSeahorse Dreams by Kubbi (Spotify)Creators & Guests
Kamran Ayub - Host
Erik Onarheim - Host

Jan 27, 2025 • 37min
Node 23 Gets TypeScript Support, Mostly | Ep 2
In this episode, Kamran and Erik discuss the newly released TypeScript support with Node 23.6 and its implications. What's supported? What's not supported? And how does it differ from Bun or Deno? (00:00) - Ep 2 - Node 23 Gets TypeScript Support
(00:05) - Introduction
(04:04) - TypeScript News and Announcements
(10:27) - A Closer Look at Type Stripping for Node 23
(22:56) - Differences Between Node 23 and Deno 2
(30:22) - Cool TypeScript Stuff
NewsEverything You Need to Know About Node.js Type Stripping by Marco IppolitoNode 23.6.0 Release Notes -- The one with TypeScript supportDocs: Node 23 “Modules: TypeScript”Node's new built-in support for TypeScript by Dr. Axel RauschmayerNative Typescript support coming to Eleventy by Zach Leatherman (PR)ESLint 9.18 – Zero-config TypeScript support by Andrey SitnikTypeScript 5.8: Erasable Syntax OnlyPSA: Create React App doesn’t work with React 19, use Vite!Errata19:11 -- We incorrectly assumed that TSC is used for the transpilation in Node 23, but that's not true. SWC still handles the transpilation (if the flag is used) so Node's TypeScript support does not rely on TSC at all. Reported by: Marco IppolitoCool StuffJiti: A Node.js package for ESM and TypeScript supportExample of `satisfies never` with switch statements by Cecile Muller, BlueskyWhat is the “satisfies” type constraint? By Matt PocockDockview – npm package for a TypeScript native window managerUsing “as const” for config typing by Matt PocockSponsored by Excalibur.jsExcalibur.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.MusicSeahorse Dreams by Kubbi (Spotify)Creators & Guests
Kamran Ayub - Host
Erik Onarheim - Host

Jan 27, 2025 • 43min
Two TypeScript Fools, One Podcast | Ep 1
In the inaugural episode of TypeScript.fm, the two fools introduce themselves, share their "origin stories," and share plans for the podcast. Briefly covered in the news: Vite 6, Deno 2's expansion of the ecosystem, Node 23's new TypeScript support, and the latest Excalibur.js 0.30.0 release.(00:00) - Ep 1 - Two TypeScript Fools, One Podcast
(00:12) - Introduction
(21:31) - News Segment
(29:38) - TypeScript Tricks Segment
NewsVite 6 is out! Check out the new Environments API.Deno 2.1 was released in November -- Node.js compatibility, npm packages, WebAssemblyNode 23 support for TypeScript (via Matt Pocock)Excalibur.js v0.30.0 - Performance improvements, GPU particle acceleration, brand new Excalibird tutorial, and moreLinksStackOverflow 2024 Survey – TypeScript is #5 in Programming LanguagesZod - TypeScript-first schema validationQuickJS -- Embeddable JavaScript engine (like Lua for C)Nivo -- Charting library with TypeScript supportSponsored by Excalibur.jsExcalibur.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.MusicSeahorse Dreams by Kubbi (Spotify)Creators & Guests
Kamran Ayub - Host
Erik Onarheim - Host


