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TypeScript.fm - The Friendly Show for TypeScript Developers

TypeScript.fm - The Friendly Show for TypeScript Developers

Written by: Kamran Ayub and Erik Onarheim
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 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!©️Caliburn Games Politics & Government
Episodes
  • Mastro.js, the Simplest Web Framework and Site Generator | Mauro Bieg | Ep 54B

    Mastro.js, the Simplest Web Framework and Site Generator | Mauro Bieg | Ep 54B
    Feb 5 2026

    Mauro Bieg joins the two fools to talk about Mastro, a simple and minimal web framework and site generator. If 11ty and Astro had a baby, it might look like Mastro! With support for routing, HTML templating, streaming, and even reactive UI, Mastro might be a great fit for your next content-driven website.

    Resources

    • Mastro Website
    • Mastro on GitHub
    • Mastro on BlueSky

    Where to Follow the Team

    • Mauro on GitHub
    • Mauro on BlueSky

    Chapters

    • (00:00) - Introducing Mauro Bieg
    • (03:12) - What is Mastro.js?
    • (05:39) - How Mastro Renders HTML
    • (10:04) - Comparing Mastro.js with Other Frameworks
    • (14:55) - Handling Server Requests in Mastro
    • (20:00) - Client and Server Separation
    • (26:39) - Client-Side Functionality with Reactive Mastro
    • (32:18) - Leveraging Web Standards and Native Runtime Features
    • (34:14) - Working with Multiple Runtimes
    • (40:31) - TypeScript Integration and Type Checking
    • (41:51) - Support for HTTP Streaming
    • (47:07) - How Mastro Performs
    • (49:01) - Getting Started with Mastro
    • (51:33) - Where to Find Mauro


    Sponsored by Excalibur.js
    Excalibur.js is the friendly TypeScript 2D game engine for the web. 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, tile maps, particles, and more.

    • Homepage and Docs: https://excaliburjs.com
    • Make Your First Game in 10 Minutes
    • Join the Discord: https://discord.gg/9UemP985Uy

    Music
    Seahorse Dreams by Kubbi (Spotify)
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    53 mins
  • Yarn Rewritten in Rust, Anders on TypeScript, and Notepad++ Hacked | News | Ep 54

    Yarn Rewritten in Rust, Anders on TypeScript, and Notepad++ Hacked | News | Ep 54
    Feb 3 2026
    News for the week of January 26, 2026: Yarn 6.0 is rewritten in Rust, Anders interviewed on history and future of TypeScript, and a PSA on the Notepad++ update system. From the community: start using the satisfies keyword, learn more about Node Single Executable Applications (SEAs), and a DnD rule engine written in TS.Stand With MinnesotaWe are native Minnesotans. The ICE occupation is affecting our community in so many ways and has disrupted daily life for thousands of us. Families are sheltering in place, fearing to go to work, let their kids walk to school, take the bus, or even attend school at all. It is not just affecting immigrants, it is affecting all of us.Go to StandWithMinnesota.com to learn how you can help.Chapters(00:00) - Welcome to the Show (05:11) - News: Removing ES5 Target for TS 6.0 (08:46) - News: Yarn 6.0 is Rewritten in Rust (13:55) - News: Anders Interviewed on History and Future of TypeScript (17:56) - News: Astro 5.17 (18:24) - News: 11ty, 2025 Year in Review (19:33) - PSA: Notepad++ Hacked, Don't Use In-app Updater (21:09) - PSA: More React Vulnerabilities, Update RSC Packages (23:08) - Library Watch: ReliCSS, Fix Your Ancient CSS (24:23) - Library Watch: Clack 1.0, Stylish Prompts for CLI Tools (25:28) - Library Watch: TypeScript D20 Rule Engine for DnD (27:02) - Community Highlight: satisfies Keyword is OP (28:26) - Community Highlight: Does JIT Go Brrr? by Savannah.dev (29:22) - Community Highlight: Node SEAs by Joyee Cheung (30:08) - Community Highlight: Node is Getting a Virtual File System (31:29) - Community Highlight: Deno on Windows ARM? (32:27) - Community Highlight: Mocha.js Gets a Fresh Website (32:51) - Community Highlight: In Mastro, Everything is a Route (33:20) - Community Highlight: Hacking Compiler to Get const-known TemplateStringArray (35:04) - Community Highlight: Gamedev.js Survey Results Are In (37:19) - Bleet of the Week (39:41) - Cool Video: Metroid's 8-bit Gravity by NESHacker (40:21) - Cool Video: AI LEGO PixelArt Robot (41:10) - Cool Link: Giantbomb x MinnMax Fundraiser for VEAP (43:26) - Cool Watch: Planet Earth Series (44:41) - The Minnesota Long GoodbyeNewsTS 6.0: PR to remove ES5 merged! (via Rob Palmer)Yarn: New 6.0 preview, rewritten in RustGitHub: 7 learnings from Anders Hejlsberg: The architect behind C# and TypeScriptAstro 5.17 release notes Eleventy, 2025 in Review PSA: Notepad++ Update Servers Got Hacked, download 8.9.1 manually!PSA: Denial of Service Vulnerabilities in React Server ComponentsLibrary Watch: Introducing ReliCSS: A Tool for Front-End ArchaeologyLibrary Watch: Clack 1.0 lets you build stylish interactive CLI promptsLibrary Watch: DnD D20 rule engine written in TypeScriptFrom the CommunityWeb Dev Simplified: satisfies keyword is awesomeSavannah Ostrowski: Does JIT go brrr? Joyee Cheung: Improving Single Executable Application Building for Node.js Matteo Collina: VFS coming soonDeno: Windows ARM BUILD!?Joshua Goldberg: Mocha has a new Astro frontend!!Mastro: Everything in Mastro is a RouteCinny.bun.how: patching TypeScript compiler to get const-known TemplateStringsArray Gamedev.js Survey Results are In: The State of Web Game Dev in 2025Cool LinksMetroid's 8-Bit Gravity I made an AI LEGO® PixelArt Robot GiantBomb and MinnMax fundraiser for VEAPPlanet Earth (HBO)MusicSeahorse Dreams by Kubbi (Spotify)
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    49 mins
  • Rolldown 1.0 RC, a Fully Featured PDF Library, and Lodash Updates | News | Ep 53

    Rolldown 1.0 RC, a Fully Featured PDF Library, and Lodash Updates | News | Ep 53
    Jan 28 2026
    News for the week of January 19, 2026: Rolldown reaches 1.0 release candidate, and a PDF library we all deserve. From the community: a better npm admin experience, supertype safety, and modern package.json targets.Stand With MinnesotaWe are native Minnesotans. The ICE occupation is affecting our community in so many ways and has disrupted daily life for thousands of us. Families are sheltering in place, fearing to go to work, let their kids walk to school, take the bus, or even attend school at all. Adults and children are being abducted from their workplaces, schools, cars, and homes with aggressive tactics and without due process. There have been dozens of well-documented violations of our civil liberties and rights as US citizens, including the illegal detainment of peaceful protestors, constitutional observers, and people of color. ICE has shot and killed two US citizens already in the span of 3 weeks: Renee Good, a mother of three, and Alex Pretti, a VA nurse. They are out of control, they are causing irreparable harm, and we want them out of our cities. Go to StandWithMinnesota.com to learn how you can help.Chapters(00:00) - Welcome to the Show (06:36) - News: TypeScript PR to Support Import Attributes in d.ts Files (09:00) - News: Deno 2.6.6 Brings Some QOL Improvements (10:15) - News: Rolldown 1.0 RC is Here (14:13) - News: TC39 ECMAScript Proposal Updates (19:04) - News: Firefox 147 Adds WebGPU on Apple Sillicon and Brotli Compression (21:04) - News: Nuxt 4.3 Supports Inlining Critical CSS for Webpack and Rspack (22:33) - PSA: Svelte Ecosystem Vulnerabilities (24:26) - Library Watch: LibPDF, the PDF Library TypeScript Developers Deserve (26:17) - Library Watch: ts2rs, Transforms TS Types to Rust Types (27:38) - Library Watch: Mastra, TS Agent Toolkit, Reaches 1.0 (28:23) - PSA: Lodash Gets a Security Update and Governance from OpenJSF (29:20) - Community Highlight: Daniel Roe Wants to Hear Your npm Frustrations (29:57) - Community Highlight: Don't Assign a Map to WeakMap (30:59) - Community Highlight: Super Monkey Ball on the Web (31:38) - Community Highlight: Package.json for Modern Targets (33:18) - Community Highlight: How Next.js Built Turbopack (33:39) - Bleet of the Week (34:21) - Cool Link: Crudy, a Postman Alternative (35:05) - Cool Video: SystemOfLevers on How to Make a Gameboy Game (35:24) - Cool Video: How to Make a Homebrew GPU (35:57) - Cool Video: Transforms 101 by Scott (36:17) - Cool Link: StandWithMinnesota.com (37:29) - The Minnesota Long GoodbyeNewsTypeScript PR to add support for import attributes in ambient module declarations. Motivating example (from Vite team) Deno 2.6.6Rolldown 1.0 RC TC39 News via Rob PalmerFirefox 147 release notes for developers Nuxt 4.3CVEs affecting the Svelte ecosystem LibPDF, the PDF library TypeScript developers deservets2rs for converting TS types to Rust typesAnnouncing Mastra 1.0! PSA: Lodash Rolls Out Major Security OverhaulFrom the CommunityDaniel Roe calls out for npm frustrations, creating npmx.dev Tip: Supertype safety? WeakMap is a supertype of Map Super MonkeyBall in a browser Discussion: Types, Package.json, and Modules Next.js: Inside Turbopack: Building Faster by Building LessCool LinksCrudy is an alternative to PostmanGameboy Games by @systemoflevers A Homebrew GPU for a Homebrew CPUTransforms 101 by ScottMusicSeahorse Dreams by Kubbi (Spotify)
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    42 mins
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