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TypeScript.fm - The Friendly Show for TypeScript Developers

TypeScript.fm - The Friendly Show for TypeScript Developers

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
  • Elide Runs TypeScript Faster Than Node Runs JavaScript | Sam Gammon | Ep 47B

    Elide Runs TypeScript Faster Than Node Runs JavaScript | Sam Gammon | Ep 47B
    Dec 11 2025

    Sam Gammon joins the two fools to talk about Elide, a batteries-included multi-language runtime. What if you could import Python modules from TypeScript... or Ruby, or Kotlin, or Rust? What if you could consolidate multiple backends to just one that ran all your code end-to-end with a unified DX? And what if doing all that was just as fast (or faster) than your existing backend? That's what we talk about in this episode!

    Resources

    • Elide on GitHub
    • Elide docs
    • Join the Elide Discord server

    Where to Follow the Team

    • Sam on GitHub
    • Sam on X

    Chapters

    • (00:00) - Introducing Elide, a Multi-language Runtime Built on GraalVM
    • (03:51) - Why Support Multiple Languages?
    • (07:42) - What is GraalVM, anyway?
    • (09:43) - What are the Languages Elide Supports Today?
    • (10:53) - How Does Elide Interop Between Languages?
    • (14:03) - What Magic Allows TypeScript to Import a Python Module?
    • (16:12) - How Does Elide's API Compare to Other Runtimes?
    • (18:26) - Elide's Embedded Inference Engine and API
    • (20:11) - How Does Elide Handle Idioms Like Promises?
    • (22:39) - What About Single- vs. Multi-threading?
    • (24:41) - What About Concurrency and Isolation?
    • (28:33) - Does Elide Help with Serverless Cold Starts?
    • (29:25) - Can Elide Compile Single-file Executables?
    • (31:06) - How is TypeScript So Fast in Elide?
    • (33:34) - Can We Start Building with Elide?
    • (35:14) - How Do You Debug Across Multiple Languages?
    • (38:13) - Where Does Elide Really Shine?
    • (40:56) - How is Elide Planning to Win?
    • (42:53) - Could Elide Support a Native Runtime Type System?
    • (45:26) - Takeaways and Where to Learn More


    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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    49 mins
  • Anthropic's Bet on Bun, React2Shell, Vite 8 Beta, and Elves Spam npm | News | Ep 47

    Anthropic's Bet on Bun, React2Shell, Vite 8 Beta, and Elves Spam npm | News | Ep 47
    Dec 9 2025
    News for the week of December 1, 2025: Anthrophic acquired Bun, React2Shell is pretty darn bad (and that's not all), plus "elf spam" packages on npm. From the community: tRPC vs. oRPC, demystifying TSConfig, and hash-slash (#/) project-relative import support in Node.MCP in Practice CourseWatch now. Kamran shows you how to build a practical enterprise-grade MCP server with .NET, C#, and OAuth, hosted remotely on Azure. (Requires subscription)Sponsored by Excalibur.jsExcalibur.js is the free and open source friendly TypeScript 2D game engine for the web. Learn to make web games with TypeScript or JavaScript! Excalibur comes out-of-the-box with everything you need, like physics, sprites, animations, sound effects, and first-party plugins for popular 2D gamedev tools.Homepage and Docs: https://excaliburjs.comMake Your First Game in 10 MinutesJoin the Discord: https://discord.gg/9UemP985UyChapters(00:00) - Welcome to the Show (04:09) - Kamran's MCP in Practice Course is Now Live on Pluralsight (08:35) - News: Anthropic Acquires the Bun JavaScript Runtime (13:41) - News: Vite 8 Beta with Rolldown (15:40) - News: tsdown 0.17 Release (17:10) - News: oxlint Brings Type-aware Linting in Alpha (17:50) - News: oxfmt Alpha is 30X Faster Than Prettier (18:45) - News: Gird Your Loins for Upcoming Node.js Security Releases (19:38) - News: React2Shell Remote Code Execution Exploit in RSC (26:55) - News: React2Shell Causes Yet Another Cloudflare Outage (28:16) - News: Santa's Elves Flood npm With Naughty "Gifts" (30:10) - News: SVG Clickjacking Exploit Using Filters (32:05) - Community Highlight: tRPC vs. oRPC for Your Next TypeScript Project? (33:15) - Community Highlight: Testing Vue Composables in TypeScript by John Franey (34:03) - Community Highlight: Formisch for React Quietly Released by Fabian Hillar (34:53) - Community Highlight: Building a Dinosaur Runner Game in Deno (36:19) - Community Highlight: Node Will Soon Support Project Root Import Paths (37:51) - Community Highlight: TSConfig Grimoire by Bjorn Lu (39:01) - Community Highlight: How is ESM vs. CJS Going? by Titus (40:45) - Community Highlight: Next Astro Release Supports Vite Environments API (41:18) - Bleet of the Week by Joke Bailey (42:10) - Cool Read: Godot Shaders Bible by Fabrizio Espendola (42:56) - Cool Watch: Cancellation Tokens by Stephen Toub (43:44) - Cool Game: Classic Game Zork is Released as Open Source (44:16) - Cool Tool: Helion, a Modern DOOM Engine (45:18) - Cool Watch: Modern .NET Serialization Attacks by Hampton Paulk (47:25) - Cool Reads: Architecture for Flow and Domain-driven Transformation (48:40) - The Minnesota Long GoodbyeNewsBun: Bun is joining Anthropic ViteLand: Vite 8 Beta: The Rolldown-powered ViteViteLand: Announcing Oxlint Type-Aware Linting AlphaViteLand: The first Oxfmt alpha was releasedViteLand: tsdown got a new releaseNode.js PSA: Prepare for Monday, December 15, 2025 Security ReleasesCloudflare: Cloudflare outage on December 5, 2025Security: npm Sees Surge of Auto-Generated “elf-stats” Packages Published Every Two Minutes via (Sarah Gooding)Security: SVG Filters - Clickjacking 2.0 Ʊ lyra's epic blog React2Shell ResourcesReact2Shell Exploit: Critical Security Vulnerability in React Server ComponentsDeep Dive: https://react2shell.com/Next.js: Security Advisory: CVE-2025-66478Deno Blog: React Server Functions / Next.js Vulnerability: Deno Deploy users protected Explainer: this is the worst case scenario by LowLevelEdFrom the CommunityTemitope Oyedele: tRPC vs oRPC: Which is better for your next TypeScript project, and why?John Franey: How to test a Vue composable with TypeScript · JohnFraney.caFabian Hiller: Formisch for React just released (quietly) – the form library that powers SolidJS Deno: Build a browser game in Deno Hybrist: Node support for #/ wildcard (via Rob Palmer)Bjorn Lu: TSConfig Grimoire (via Rob Palmer)Wooorm: How is ESM from Common going?Astro: Next release of Astro will support Vite Environment APICool LinksCool Read: Godot Shaders Bible and Ghastly in Desmos by Fabrizio EspindolaCool Watch: Cancellation Tokens with Stephen ToubCool Game: Preserving code that shaped generations: Zork I, II, and III go Open Source Cool Tool: Helion Engine, a modern DOOM engine in C#Cool Watch: Modern .NET Serialization Attacks by Hampton PaulkCool Reads: Architecture for Flow and Domain-driven TransformationMusicSeahorse Dreams by Kubbi (Spotify)
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    56 mins
  • Progress on TypeScript 7, Advent of Code as an Excuse to Learn Zig, and Type-safe CLIs | News | Ep 46

    Progress on TypeScript 7, Advent of Code as an Excuse to Learn Zig, and Type-safe CLIs | News | Ep 46
    Dec 3 2025
    News for the week of November 24, 2025: TypeScript team discusses progress on TS 7 and upcoming deprecations for TS 6. Plus, Svelte's new hydratable API. From the community: creating strongly-typed CLIs with yargs, magic union types to check characters, and how TypedArray can reduce memory usage.Sponsored by Excalibur.jsExcalibur.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.comMake Your First Game in 10 MinutesJoin the Discord: https://discord.gg/9UemP985UyChapters(00:00) - Welcome to the Show (05:21) - News: Progress on TypeScript 7 and Upcoming Deprecations (15:24) - News: Advent of Code is Live for Holiday Coding (17:07) - News: Svelte 5.44.0 Introduces hydratable API (19:18) - News: Vite+ FAQ Answers Some Common Questions (20:21) - News: Zed IDE Adds Better TS Error Messages (22:01) - News: TypeScript ESLint Will Simplify Redundant Type Unions (22:24) - Library Watch: Spikard, a Polyglot API Toolkit (23:31) - Library Watch: Type-safe CLIs with Optique (24:09) - Community Highlight: The Summer I Shipped Type Stripping by Marco Ippolito (25:51) - Community Highlight: Building Strongly Typed CLI Applications by John Reilly (27:10) - Community Highlight: Using Zod and TypeScript by Telerik (27:45) - Community Highlight: Lowercase & Uppercase Union by TypedRocks (28:32) - Community Highlight: Improving Bazel Type Checks with Isolated Declarations by Brad Zacher (29:28) - Community Highlight: Data-oriented Modeling by Aapo Alasuutari (32:01) - Community Highlight: Doom in TypeScript Types by Software Engineering Daily (32:17) - Bleet of the Week (32:45) - Cool Watch: Human-sized Lego Castle with 3D Printing (33:42) - Cool Watch: Predators (2010) (34:24) - Cool Watch: dotnetconf Talks (37:20) - The Minnesota Long GoodbyeNewsTypeScript Blog: Progress on TypeScript 7Advent of Code is live!Svelte 5.44.0 introduces `hydratable` APIVite+: New FAQ Zed v0.214.0, now with better TS ErrorsTypeScript-ESLint 8.48.0 adds type union redundancy checkLibrary Watch: spikard, a polyglot API toolkitLibrary Watch: Optique 0.7.0 (via Hong Minhee)From the CommunityMarco Ippolito: Summer I Shipped Type StrippingJohn Reilly: Yargs: statically typed builder commands (via johnnyreilly)Telerik: Zod + TypeScript: Schema Validation Made Easy TypedRocks: The Secret Power of The Lowercase & Uppercase UNION in TypeScript Brad Zacher: Improving Bazel TypeScript TypeChecks With IsolatedDeclarations (via Rob Palmer)Aapo Alasuutari: Interlude: A data-oriented modelSoftware Engineering Daily: Josh and Dmitri talk about Doom in TypeScript TypesCool LinksCool Watch: NFTI building a 3D printed castleCool Watch: Predators (2010)Cool Watch: dotnetconfCool Link: Aspire.dev, code-first local dev environmentsMusicSeahorse Dreams by Kubbi (Spotify)
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    43 mins
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