TypeScript.fm - The Friendly Show for TypeScript Developers
Kamran Ayub and Erik Onarheim, the two TypeScript Fools, host a weekly show covering news, community highlights, and deep dives into the TypeScript ecosystem. The podcast aims to keep developers up-to-date and help them learn new skills to become better TypeScript developers.
Episodes
Stack Overflow for Agents, Nuxi Agent, and Safari 27 Beta | News | Ep 71
News for the week of June 8, 2026: Nuxi agent helps you learn Nuxt, Stack Overflow builds a dedicated knowledge base for agents, and new talks from Web Engine Hackfest and JSNation available for your viewing pleasure. From the community: explaining the `unknown` type, template literal type cheatsheet, and understanding how standard.site works with ATproto.Sponsored by Excalibur.jsExcalibu
VoidZero Joins Cloudflare, New npm 12 Security Defaults, and Angular 22 | News | Ep 70
News for the week of June 1, 2026: VoidZero joins Cloudflare, npm 12 will fix security defaults, and Angular 22 is out. From the community: tips every TS developer should know, how numpy-ts got faster than native, and recent developer talks you should pay attention to.Sponsored by Excalibur.jsExcalibur.js is the free and open source friendly TypeScript 2D game engine for the web. Learn to
Astro 6.4, Rust's Restriction on LLMs, and Why tsgo Uses So Much Memory | News | Ep 69
News for the week of May 25, 2026: Astro's new Markdown processor API, Rust's take on LLM authorship, and new stage 4 TC39 proposals. From the community: highlights.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,
Claw Patrol, Google I/O, and npm Awakens From Slumber | News | Ep 68
News for the week of May 18, 2026: Claw Patrol! Claw Patrol! We'll be there on the double! Also, npm finally responds to ongoing supply chain attacks. From the community: using Effect more effectively, and AI's impact on open source.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 J
Deno 2.8 Pushes Node Compatibility to 75%, Rolldown 1.0, and Mini Shai-Hulud | News | Ep 67
News for the week of May 11, 2026: Deno 2.8 brings Node compatibility to 75%, Bun's Rust port is taking shape, and more supply chain sadness. From the community: SpacetimeDB's JS engine is faster than Rust, scrapping a custom DSL in favor of TypeScript, and why Effect is good for AI agents.Sponsored by Excalibur.jsExcalibur.js is the free and open source friendly TypeScript 2D game engine
Vibe-porting Galore, Remix 3 Beta, Node 26, and the Internet Falling Down | News | Ep 66
News for the weeks of April 27 and May 4, 2026: Rust ports galore, Remix 3 is ready to rumble, and lots of security PSAs that are breaking the Internet. From the community: boring web dev, cross-framework templating with TSRX, and TypeScript features wishlist.Sponsored by Excalibur.jsExcalibur.js is the free and open source friendly TypeScript 2D game engine for the web. Learn to make web
TypeScript 7 Beta, Deno Fresh 2.3, and Const Generics | News | Ep 65
News for the week of April 20, 2026: highlights from the recent TypeScript 7 beta and Deno Fresh quality of life improvements. From the community: Bloomberg's type-safe CLI library, a new TSGO toolchain, and TypeScript database migrations.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 TypeScrip
require(esm) Stable in Node 24, TanStack RSC, and HTML-in-Canvas Demos | News | Ep 64
News for the week of April 13, 2026: require(esm) marked stable in Node 24.15.0 LTS, HTML-in-Canvas demos, and Cal.com goes closed source thanks to AI security. From the community: dependency cooldowns are not a solution, TanStack's take on RSC, and accidentally DDOS'ing npm with TypeScript.Sponsored by Excalibur.jsExcalibur.js is the free and open source friendly TypeScript 2D game engin
Bun.WebView, Cursor's Big Bet, and Whether Mythos Just Spells Marketing | News | Ep 63
News for the week of April 6, 2026: latest Bun release adds automated headless browser automation, whether Anthropic is using fear-based marketing, and major releases from Storybook and Docusaurus. From the community: why nominal typing deserves to be first-class, what to do about OSS vulnerabilities, and lessons from building a Rust runtime for TS.Sponsored by Excalibur.jsExcalibur.js is
Designing an Ideal Linting Developer Experience with Flint | Josh Goldberg | Ep 62B
In this episode with Josh Goldberg, maintainer of TypeScript ESLint, we dive into his latest research project, Flint. The goal of Flint is to test different hypothesis on how to architect a modern, hybrid-native JavaScript and TypeScript linter. What happens when every rule can be type-aware? Can you write lint rules in TypeScript and run them with near-native performance? How can error m
Spearphishing OSS Maintainers, EmDash is a Wordpress Replacement, and ECMA Fools Day | News | Ep 62
News for the week of March 30, 2026: fun with UUIDs, Cloudflare gunning for Wordpress, and how OSS maintainers can defend against spearphishing attacks. From the community: a very Solid 6 hours, compiling TS to native UI code, and a super fast VIN decoder.Sponsored by Excalibur.jsExcalibur.js is the free and open source friendly TypeScript 2D game engine for the web. Learn to make web gam
Aspire 13.2, Hybrid Type-aware Linting, and Claude Wrote a JS Engine | News | Ep 61
News for the week of March 23, 2026: Aspire 13.2 now supports TypeScript app hosts, Node.js security releases, and axios got got. From the community: Auvred's hybrid linting research, refactoring with generics, and sharing signals across the server-client boundary. Plus, using Claude to write a JS engine from scratch.Sponsored by Excalibur.jsExcalibur.js is the free and open source friend
TypeScript 6.0 is Official, Reducing Dependency Bloat, and a Zig-based Runtime | News | Ep 60
News for the week of March 16, 2026: TypeScript 6.0 is stable and released, Next 16.2 is better for agents, and SolidStart V2 is coming soon. From the community: bloat in JavaScript projects (and what to do about it), a TypeScript CLI framework, and why Node.js needs a VFS and a better streams API.Sponsored by Excalibur.jsExcalibur.js is the free and open source friendly TypeScript 2D gam
Vite 8, Vite+, Void, and How Well AI Plays Runescape | News | Ep 59
News for the week of March 9, 2026: it's VoidZero all the way down, seriously. From the community: TanStack makes hotkeys simple, plus how good are AI agents at playing Runescape?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 everyth
TS 6 RC, Astro 6, and Web Sanitizer API | News | Ep 58
News for the week of March 3, 2026: minor updates in TypeScript 6 Release Candidate, what's new in Astro 6 updates, and latest Chrome revives Sanitizer API. From the community: when to use return types, remembering service workers, and why Patreon took seven years to adopt TypeScript.Sponsored by Excalibur.jsExcalibur.js is the free and open source friendly TypeScript 2D game engine for t
State of JS, Node Release Schedule Revisited, and WebMCP | News | Ep 57
News for the week of Feb 23, 2026: highlights from the State of JS survey, Node is revamping its release schedule, and Bun finally gets stage 3 decorator support. From the community: Deno's code-first sandboxes, typesafe `Map.has()`, and Electrobun rendering with WebGPU.Support Our Troop 🍪 Buy Girl Scout Cookies!Sponsored by Excalibur.jsExcalibur.js is the free and open source friendly Ty
npmx.dev, Chrome 145 Devtools, and K'nipping Yaks | News | Ep 56
News for the week of Feb 16, 2026: npmx.dev is a better frontend for npm, Chrome 145 includes some cool new toys, and we figure out that Knip is pronounced with a hard-K. From the community: fun with generics, Next.js adds an MCP server, and why OSS maintainers need to breaks (as should we all).Chapters(00:00) - Welcome to the Show
(07:10) - News: We Made Our First Video Podcast Episode
TypeScript 6.0 Beta, ESLint 10, and Deno Deploy Goes GA | News | Ep 55
News for the weeks of Feb 2 and Feb 9, 2026: TypeScript 6.0 beta drops, ESLint 10 config updates, and Electrobun 1.0 release. From the community: TypeScript types are not a security feature and breaking changes in TS 6.0 you need to know.Chapters(00:00) - Welcome to the Show
(04:53) - News: TypeScript 6.0 Beta
(17:28) - News: ESLint 10 Brings Flat Config Changes
(19:47) - News: Deno De
Mastro.js, the Simplest Web Framework and Site Generator | Mauro Bieg | Ep 54B
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.ResourcesMastro WebsiteMastro on GitHubMastro on BlueSkyWhere to Follow the TeamMauro
Yarn Rewritten in Rust, Anders on TypeScript, and Notepad++ Hacked | News | Ep 54
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 af
Rolldown 1.0 RC, a Fully Featured PDF Library, and Lodash Updates | News | Ep 53
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 shelt
Astro is Skyward Bound, Stable require(esm), and Temporal Finally Ships | News | Ep 52
News for the week of January 12, 2026: Astro finds a new home, Chrome ships Temporal API, and latest Node marks require(esm) as stable. From the community: type-safe UI, how TypeScript differs at dev-time vs runtime, and Deno's (impressive) latency under load.Sponsored by Excalibur.jsExcalibur.js is the free and open source friendly TypeScript 2D game engine for the web. Learn to make web
Node.js Patch Tuesday, Fix Unused Imports, and Why Logging Sucks | News | Ep 51
News for the week of January 5, 2026: patch all your Node.js installations! Like now! Plus, a new TypeScript ESLint fixer for unused imports. From the community: why we all suck at logging, the concise TypeScript book, and all the JS engines in one page.Sponsored by Excalibur.jsExcalibur.js is the free and open source friendly TypeScript 2D game engine for the web. Learn to make web games
The Grinch Stole MongoDB, a Backend Library Called Vla, and Strongly-typed Event Emitters | News | Ep 50
News for the weeks of December 22 and 29, 2025: MongoDB exploit drops on Christmas day in true Grinchy fashion, a new backend library called Vla that is far from blah, and starter templates for your next React Native app. From the community: NodeTLV keynote, strongly-typed events in gamedev, and a 6-hour deep dive into Doom in TS.Sponsored by Excalibur.jsExcalibur.js is the free and open
Modernization Agents, Standard Schema V1, and Year-end Podcast Wins | News | Ep 49
Our last episode for 2025, see you in 2026! News for the week of December 15 2025: Microsoft's experimental JS/TS modernization agent, new Next.js and Bun releases, and how pnpm is tightening the security screws. From the community: when to use types vs. interfaces, actionable tips on securing your local dev environment, and tips on using TypeScript types as a programming language.MCP in
Deno 2.6 Adds dx and TSGo, Temporal API in Chrome 144 Beta, and JSDoc *is* TypeScript | News | Ep 48
News for the week of December 8 2025: Deno 2.6 is packed with some cool features, Node 24 LTS ships stable type stripping, more React CVEs, and some new browser updates. From the community: JSDoc love, slay your TS type performance, and Figma's plugin system is built on shadows.MCP in Practice CourseOut now. Kamran shows you how to build a practical enterprise-grade MCP server with .NET,
Elide Runs TypeScript Faster Than Node Runs JavaScript | Sam Gammon | Ep 47B
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 wh
Anthropic's Bet on Bun, React2Shell, Vite 8 Beta, and Elves Spam npm | News | Ep 47
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 O
Progress on TypeScript 7, Advent of Code as an Excuse to Learn Zig, and Type-safe CLIs | News | Ep 46
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. U
Angular 21, Autofac Meets TS, and Shai Hulud Strikes Again | News | Ep 45
News for the week of November 17, 2025: Angular 21 is zoneless by default and adds Vitest support, plus Shai-Hulud worm hits another 500+ npm packages. What's a dev to do??? From the community: you basically know C# if you already know TypeScript and a new decorator-free dependency injection library inspired by Autofac.Sponsored by Excalibur.jsExcalibur.js is the friendly TypeScript 2D ga
Type Stripping is Stable, Type-safe Music, and Rust Engines Enter the Chat | News | Ep 44
News for the week of November 10, 2025: Node 25 marks type stripping as stable, the downlow on some new Rust-based JavaScript and TypeScript engines, and a new browser for keyboard lovers. From the community: visualize how types work, using .NET Aspire without .NET, type-safe SQL, and an experimental Rust-based type checker.Sponsored by Excalibur.jsExcalibur.js is the friendly TypeScript
What's Coming in TypeScript 6/7 | Daniel Rosenwasser | Jake Bailey | Ep 43B
Daniel Rosenwasser and Jake Bailey join the two fools to talk about what's coming soon in TypeScript 6 and 7. What changes should developers expect? What might the new compiler API look like? How is the Go port progressing? We talk about smarter (and stricter) defaults, ES targets, module resolution, and why it's hard to emulate JavaScript floating point semantics in Go.Chapters(00:00) -
Nuxt Image Loves TypeScript, Node 24 Goes LTS, and a Satisfying Use of satisfies | News | Ep 43
News for the week of November 3, 2025: Node 24 promoted to LTS, Nuxt Image V2 is full of TS goodies, and Anders is humbled by TypeScript's rise. From the community: TypeScript is not a substitute for good engineering, why codemods are helpful, and examples of using the satisfies keyword.Chapters(00:00) - Welcome to the Show
(05:24) - Announcement: We're Now On YouTube!
(07:31) - News: T
TypeScript Won, Type-safe Regex, and Import from... Python? | News | Ep 42
News for the week of October 27, 2025: TypeScript is the #1 language on GitHub, making your Regex type-safe, and Biome adds support for three new metaframeworks. From the community: a metaframework for Angular, PHP in JS, and a polyglot runtime that will blow your mind.Chapters(00:00) - Welcome to the Show
(05:36) - News: TypeScript Won in 2025
(12:43) - News: Vercel Now Supports the Bu
Deno Deploy Makeover, Vitest 4, Nuxt 4.2, and Next.js 16 (Oh, and React Native 0.82) | News | Ep 41
News for the week of October 20, 2025: Deno Deploy revamp, Vitest 4, Nuxt 4.2, and Next.js 16, all in a single week. From the community: 4 weird ways to cast in TypeScript (+2 to Arcana rolls), type-safe API clients, and the hottest JS REPL around.Chapters(00:00) - Welcome to the Show
(05:04) - News: Deno Deployed a Brand Spankin' New Deno Deploy
(11:44) - News: Vitest 4 is Out and Brow
15 npm Deps to Replace (Axe 'em), Remix Remixed (Again), and TS in Space (Not Really) | News | Ep 40
News of the week of October 13, 2025: Node 25 brings V8 perf update, Remix reinvents itself once again, TypeScript in your DB, and why Map upsertions will be celebrated by TS devs. From the community: 15 npm packages you no longer need, Deno's side projects, Snoop L. O. Double G., and how to write architecture assertions. Chapters(00:00) - Welcome to the Show
(04:50) - News: Happy Nation
ReactConf 2025 Highlights, Bun 1.3's Security Scanner API, and Malware-as-a-Service | News | Ep 39
News of the week of October 6, 2025: Highlights from ReactConf 2025, Bun 1.3's (delicious) security lede got buried, and how to buy lifetime access to someone's webcam for $500. From the community: CSS is cool again, Immer.js perf improvements, and why typed linting is blocked by ESLint core.Chapters(00:00) - Welcome to the Show
(05:52) - News: ReactConf 2025 Highlights
(15:53) - News:
Deno Might be npm's Saving Throw, Temporal Dead Zones, and SSR Under .NET?! | News | Ep 38
News of the week of September 29, 2025: Is Deno the answer to npm's security issues? From the community: replacing .env files with 1Password, stepping outside of TypeScript's padded room, and temporal dead zones. Plus, Kamran fell into a rabbit hole and defeated the Red Queen: SSR with .NET.Chapters(00:00) - Welcome to the Show
(07:39) - News: TSGo Got a Lil Bit Faster (Still)
(08:56) -
New ECMAScript Proposals, Cap'n Web, and TS on DOS/PlayStation | News | Ep 37
News of the week of September 22, 2025: new default option in TS 6.0, Jiti upgrade, and Cloudflare's on a tear. Plus, npm's security roadmap. From the community: Python-style kwargs, running TS on MS-DOS, and running JS on PlayStation.Chapters(00:00) - Welcome to the Show
(07:42) - News: Take the State of JS Survey 2025
(08:25) - News: TS 6.0 Will Enable noUncheckedSideEffectImports by
Let the Spicy Takes Flow: Shai-Hulud Hits npm, Motion's TS Exodus | News | Ep 36
News of the week of September 15, 2025: Shai-Hulud worm hits npm supply chain, WebAssembly 3 spec is ratified, and Elixir fans finally get their time in the spotlight. From the community: SquiggleConf was awesome, type branding and tuples, local-first app dev, and why @ts-ignore is almost always the worst option.Chapters(00:00) - Welcome to the Show
(04:36) - News: Shai-Hulud Worm Attack
ArkType is TypeScript's 1:1 Validator | David Blass | Ep 35B
David Blass (@ssalbdivad.dev) teaches the two fools about ArkType and its 1:1 validator type system. If you, like us, thought ArkType was only about validation, think again! David pulls back the curtain on what makes ArkType unique, how he built a type-level parser to provide helpful error messages, and why ArkType can provide soundness guarantees that go beyond even what vanilla TypeScri
Deno 2.5, Type-safe Configs and Forms, and Underrated TS Features | News | Ep 35
News of the week of September 8, 2025: Deno 2.5 adds a bunch of DX improvements, Fresh 2.0 is out of beta, and a supply chain attack mitigation for pnpm users. From the community: Val Town's OSS TypeScript editor, discussing underrated TS features, and tools/libraries to help make your configs, secrets, and forms type-safe.Chapters(00:00) - Welcome to the Show
(05:46) - News: TSGo Adds J
Fresh 2.0 Beta, TS Nostalgia, and Spear Phishing the Supply Chain | News | Ep 34
News of the week of September 1, 2025: Deno Fresh 2.0 is now in beta, Swift 6.2 adds WASM support, and a serious spear-phishing attack on npm maintainers. From the community: looking back on TypeScript, optimizing immutability, type-safe state machines, sharing Wi-Fi links, and some prolific open source work.Chapters(00:00) - Welcome to the Show
(05:20) - News: New ESLint Rule to Prevent
Breaking Changes in TS 6, a Calm Migration to Type Stripping, and Deno's #FreeJavaScript Campaign | News | Ep 33
News of the week of August 25, 2025: the two fools unpack the expected breaking changes to TSConfig in the upcoming 6.0 release, explain Node's latest LTS notable changes, and cover the latest in the JS trademark case from Deno. Plus, a PSA if you use Nx! From the community: making the case to migrate to Node's type stripping, a peek at Vitest 4, Zod's new Codecs feature, refactoring type
TypeScript Go Nightly Improvements, Rslint Announced, and Big Bun Updates | News | Ep 32
News of the week of August 18, 2025: one of the biggest nightly updates for TS Go, Rspack team announces a new linter, the new minor Bun release is pretty major, and Next.js 15.5 features typed routing . From the community: more learning web dev resources, an exhaustive switch utility for JSX, --strict on by default?, and whether you can really protect your code from clients. Plus, the tw
Astro DB Gets Enum Support, Type-safe Data Flow in Next.js, and a Moose-y ORM | News | Ep 31
News of the week of August 11, 2025: there ain't much! Astro 5.13 minor release brings enums to Astro DB and improved meta environment variables. From the community: learning web dev, Result-typing Next.js server actions, and Clickhouse built an ORM.Chapters(00:00) - Welcome to the Show
(05:07) - News: Astro 5.13 Adds import.meta.env and Astro DB Enum Support
(06:47) - Community Highlig
WebStorm Supports TS Go, V8 Stringifies JSON 2X Faster, and a TypeScript AI Conference | News | Ep 30
News of the week of August 4, 2025: WebStorm 2025.2 adds support for TypeScript Go language server (preview), V8 made JSON.stringify supa-supa-fast, and there's a new TypeScript AI conference on the block. From the community: recommended tools and libraries for TS developers, how to prevent ReDOS attacks, and an interview discussing how the JavaScript language evolves.Chapters(00:00) - We
State of TypeScript Linting 2025 | Joshua Goldberg | Ep 29B
Joshua Goldberg (JoshuaKGoldberg.com), creator of typescript-eslint, joins us to discuss the state of linting TypeScript projects in 2025. Which linters should we pay attention to? Why are there so many? What's unique about TypeScript? Josh shares his perspective and covers what to look for in a linter and how best to utilize them in your projects.Chapters(00:00) - Introducing Josh Goldbe
Node 22.18 LTS Green Lights TypeScript for Orgs | News | Ep 29
News of the week of July 28, 2025: TS 5.9 released, Node 22.18 is the first LTS to support TypeScript, a Rust-based alternative to Next.js, plus why Laravel ain't your pappy's PHP. From the community: eslint-max-depth-ts plugin, Zod vs. Valibot battle, Better Auth is so good, a deal with the TypeScript devil, and did you know you can render motion graphics with TypeScript.Chapters(00:00)
Building Secure TypeScript Applications | Liran Tal | Ep 28B
Liran Tal (lirantal.com) from Snyk joins us to dive deep into writing secure TypeScript applications. What's different compared to vanilla JavaScript security? Will schema validators fix all our woes? Can't we let LLMs find and fix security vulnerabilities? Liran educates us about the pitfalls and risks with misplacing trust in TypeScript and LLMs and what we can do to write more secure c
Deno Fresh 2.0 Alpha, a BigInt Trick, and Learn TS in One Hour | News | Ep 28
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 N
Nuxt 4.0, Bun's Smarter Types, and Testing Type Completions | News | Ep 27
News of the week of July 14, 2025: Nuxt 4.0 is released along with an acquisition by Vercel, TSGO ships go-to-type definition support, and Bun ships smarter types. From the community: test type completions and benchmark instantiations with a testing package from Arktype, treating types as values with type-level maps, and dive a bit deeper into how type inference works. Chapters(00:00) - I
TypeScript 5.9 Beta, Redonkulous Linting, and a Community Enum Syntax Proposal | News | Ep 26
News of the week of July 7, 2025: We dive into the TypeScript 5.9 beta, an experimental Go linter for TS/JS, plus make sure you upgrade your Node.js versions! From the community: a new enum syntax proposal in case JS doesn't get native enums, TSL brings faster type-aware linting, and trashh_dev asks TypeScript: WTF?Chapters(00:00) - Introduction and Personal News
(07:10) - News: TypeScri
Deno 2.4 Bweets, Next.js Vuln Alert, Modern Node, and Typed Mongo | News | Ep 25
News of the week of June 30, 2025, Deno Bundle is Back in Black in 2.4! We coin the term "Bweet", Deno also gets some non-standard import attributes for text and bytes, OTEL is now stable in Deno, and Next.js has a DoS vulnerability. From the community: we chat about modern Node.js patterns for 2025, NDC Oslo talks are rolling in on YouTube, and strongly type your MongoDB collections!Chap
ECMAScript 2025 is Ratified, Vite 7, and 6 Advanced TS Tricks | News | Ep 24
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
New Biome, Mocha, Jest, and k6 Releases All Kissed by TypeScript | News | Ep 23
News for the week of June 16, 2025: Biome v2 features type-aware linting without TSC, Mocha and Jest both get native ESM and TS upgrades, and Grafana Lab's k6 load testing tool... also can now run native TS tests. From the community: type safety for WebGPU shaders, type narrowing map and indexed key access, and resilient import maps. Chapters(00:00) - Introduction and Personal News
(05:0
Strip Your Own Types, New Rust-based Linter, and #ROLP is Trending | News | Ep 22
News for the week of June 9, 2025: Node's type stripping wrapper is released as a standalone package, VoidZero is building a super fast linter, and pnpm introduces experimental virtual store for speeding up package installs. From the community: secure your TS apps, #ROLP, and updated Exploring JS book edition for 2025.Chapters(00:00) - Introduction and Personal News
(05:34) - News: Amaro
TSC Init New Defaults, Who Dis? Plus Vite 7, Babel 8 Betas | News | Ep 21
News for the week of June 2, 2025: TSC init command gets new, modern defaults, plus new betas drop for Vite 7 and Babel 8. From the community: Learn advanced TS features in 25 mins, and improve the performance of your TS monorepos with secret arcane knowledge.Chapters(00:00) - Introduction and Personal Updates
(02:26) - News: tsc --init Finally Has New Defaults
(04:39) - News: Deferred
Painless TSConfig Migrations | Jason Yu | 20B
Jason Yu (ycmjason.codes) joins us to share an open source tool he created to help teams migrate their legacy TSConfig compiler options to modern-day options painlessly and progressively. Learn about his experience implementing strict options on big teams, how it inspired his new tool, and how you can take advantage of it right now!Chapters(00:00) - Meet Jason Yu
(03:27) - Challenges of
Angular Turns 20, Remix Revived, and Hurricane André Hits Firefox | News | Ep 20
News for the week of May 26, 2025: Angular's 20th release brings DX improvements, Remix replaced by React Router receives reincarnation, and how a lone volunteer brings the much-anticipated Temporal API to Firefox.Chapters(00:00) - Personal News and Updates
(04:46) - News: Angular 20 is Out and It's Boring (But in a Good Way)
(08:39) - News: Remix Receives Revival
(10:03) - News: Vite
TypeScript Native is Now in Preview | News | Ep 19
News for the week of May 19, 2025: Try out the new TypeScript Go native port, Zod 4 is out, and no, Deno is not dead. Chapters(00:00) - Introduction and Personal News
(05:12) - News: TypeScript Native is in Preview!
(10:12) - News: Anders' Talk About TS Native at MS Build
(12:58) - News: Zod 4 is Officially Released
(15:51) - News: Reports of Deno's Demise Are Greatly Exaggerated
(17
Microsoft Layoffs Impact TypeScript Team | News | Ep 18
News for the week of May 12, 2025: Microsoft layoffs impact TypeScript team, and Deno explains the radio silence on Fresh 2.0.Chapters(00:00) - Personal News
(06:25) - Correction: Node 24's Security Model
(07:22) - News: Microsoft Lay-offs Impacting TypeScript Team
(11:32) - News: Deno Posts an Update on Fresh 2.0
(13:27) - News: TSGo Gets LSP Concurrency
(16:19) - Community Highlights: S
What's New in Node 24 | Deep Dive | Ep 17B
In this week's deep dive, we cover everything TypeScript developers need to know about the latest Node 24 release, including examples of each new language feature. We've even put together a code snippet repo you can check out!Chapters(00:00) - Introduction to Node 24 and TypeScript Support
(02:49) - Type Stripping and Experimental Transform Types
(05:53) - Stable Permission Flag Security
Node 24 Officially Brings TS Support to the Masses | News | Ep 17
News for the week of May 5, 2025: Node 24 officially brings TS support to the masses, Parcel adds RSC support, and a TC39 proposal gets replaced.Chapters(00:00) - Introduction
(04:07) - News: Node 24 Release Highlights
(08:09) - News: What's New in TSGo?
(09:05) - News: TC39 Records and Tuples Proposal Has Been Withdrawn
(11:45) - News: Parcel Bundler Introduces Support for RSC
(13:15) -
Deno 2.3 Ships Tons of QOL Improvements | News | Ep 16
News for the week of April 28, 2025: Deno 2.3 brings some nice quality-of-life improvements, plus void(0) has released a new all-in-one bundler for your TypeScript libraries.Chapters(00:00) - Introduction
(04:51) - News: This Week in TypeScript Go
(05:47) - News: Deno 2.3 Released
(08:36) - News: tsdown is a TypeScript Bundler for Library Authors
(11:29) - News: Astro 5.7 Release
(13:04)
Building Games in TypeScript | Erik Onarheim | Ep 15B
Erik shares how you can build games for the web with TypeScript and the Excalibur.js game engine. What's involved? What are some of the primitives you need to learn? What tools are there to make assets? And how do your webdev skills translate? All this and more in today's deep dive episode!Chapters(00:00) - Introduction to Excalibur.js
(01:13) - What is Excalibur.js?
(02:28) - Game Deve
TSGo Gets Autocomplete and JSX Support | News | Ep 15
News for the week of April 21, 2025: TSGo gets autocomplete and JSX support, pnpm adds JSR support, and remember to migrate off Node 18! (00:00) - Introduction and Personal Updates
(04:55) - News for the Week of April 21, 2025
(06:26) - News: TSGo Gets JSX and Autocomplete Support
(08:36) - News: pnpm Gets JSR Package Support
(10:00) - News: Juno Adds Serverless TypeScript Functions
(11:2
Are We Sick of TypeScript.fm Yet? | Retrospective | Ep 14B
In this episode, Erik and Kamran have a candid discussion about how the podcast started, how it went, and what the plans are for the future.Chapters(00:00) Introduction(01:18) Is TypeScript.fm Done?(01:59) Erik's Reflection(03:05) Kamran's Reflection(03:48) What's the Goal of the Podcast?(06:46) What Do We Want to Focus On?(12:10) Should We Build a Dedicated Community Around the Podcast?(
TC39 Enums in JS Proposal Moves to Stage-1 | News | Ep 14
News for the week of April 14, 2025: TC39 Enums in JS Proposal moves to Stage 1, plus Next.js gets some TS LSP plugin perf/stability improvements.Chapters(00:00) - Introduction
(02:07) - News for Week of April 14
(03:20) - News: SquiggleConf 2025
(03:40) - News: TC39 Enums in JS Proposal Moves to Stage 1
(04:20) - News: Deno 2.2.10
(04:48) - News: Bun 1.2.10
(05:08) - News: Next.js 15.3
(
DOOM.ts | Dimitri Mitropoulos | Ep 13
This week on the pod, we talk to Dimitri Mitropoulos about building DOOM in the TypeScript type system. We walk through all the nitty gritty and explore this truly amazing engineering feat! We touch on things that Dimitri learned and discovered along the way, and how you might be surprised what you can accomplish by trying! In the news, Zod 4 Beta drops with awesome new features. Chapters
Enums in JS, Deno v Oracle Cage Match, and Parcel Gets React Server Components | Grab Bag | Ep 12
This week on the pod, we were very busy with travel, cons, and sickness! We have a news grab bag episode talking about the JS enums proposal, Deno v. Oracle, Parcel+RSCs, Firefox vulnerabilities and more!Also Please email us your feedback for your retro episode (feedback@typescript.fm)00:00 Intro00:50 VGM Con02:07 IGDATC Talk Wednesday April 9th02:41 Toddler Zone03:28 Exciting Arizona Tra
Baby Got Bun | Ep 11
This week on the pod, we talk all about the Bun runtime funtimes! This is a powerful new player in the JavaScript and TypeScript runtime space focusing on DX, speed, and pushing the state of the art! We dive into the details and offer some of our thoughts around when to use it at the moment. In other news we avoid phone scams and talk fun new TypeScript libraries. Also Please email us you
The Vanilla TS Experience | Josh Goldberg | Ep 10
In this episode, we are joined by special guest Josh Goldberg to teach us about getting started with TypeScript from scratch. If you're new to TS, this is a great introduction! And if you've been using TS for a long time, you can explain to your friends where they should start to make their experience smoother. In the news, Nx gets support for project references and we curate some of the
TS-a-Go-Go | Ep 9
The Internet blows up as TypeScript reaches its next Pokemon evolution, and Kamran and Erik scramble to create an episode to pick up the pieces and make sense of it. In other news, TikTok announces Lynx, Angular gets some fetch upgrades, and Josh Goldberg releases v2 of create-typescript-app.Week of March 3, 2025(07:09) - Big News: TypeScript Is Getting 10X Faster(07:48) - Big-ish News: L
React, TypeScript, and... Schbooleans? | Ep 8
This week Kamran dives into some nuances with using React with TypeScript while Erik plays the React fool and coins the word "schbooleans" (yep). In the news, erasableSyntaxOnly gets shipped, some new minor releases in the ecosystem, and oh, TypeScript types can run DOOM. Yes, TS is a real language now.Erik's NewsPersonal Blog Post: The Best Worst Year Happy New Year Excalibur! Excalibur
ORMed and Dangerous | Ep 7
This week Kamran and Erik discuss when ORMs are helpful... or hurtful. They cover trade-offs, the spectrum of abstraction, the value of escape hatches, and the options available to you in the TypeScript ecosystem.Week of February 17, 2025(05:54) - News: Ember 6.2 Released(07:16) - News: Deno 2.2 Releasednpm-check-updates packagePackage JSON Upgrade VS Code extensionhttps://github.com/vuki
The Sheer Joy of Publishing to JSR | Ep 6
This week Kamran and Erik unpack JSR, the new open alternative to the npm registry from the folks at Deno. They both published packages and discuss what JSR offers npm doesn't, when to use it, and how it works for both consumers and maintainers.(00:00) - The Sheer Joy of Publishing to JSR | Ep 6
(05:40) - News: TypeScript 5.8 RC
(07:45) - News: JSR Open Governance Board
(08:59) - News: ES
Compilers, Runtimes, and Funtimes | Ep 5
This week Kamran and Erik try to dissect the complex landscape of JavaScript and TypeScript compilers, transpilers, interpreters, engines, and runtimes (oh my!). What are the tools, what are they used for, why is the world so complicated, and what should you care about as a TS developer?(04:55) - This Week in TypeScript: Node.js Corepack Issue Affects Users
(06:16) - This Week in TypeScri
You Say Vite, I Say Vite | Ep 4
This week Erik and Kamran talk about Vite (Vight? Veet?), what it's good for, how it works, and its status as the "go-to" tool for frontend tooling.(04:21) - This Week in TypeScript: TS 5.8 Beta
(11:02) - This Week in TypeScript: Ruck 9 Released
(12:39) - This Week in TypeScript: Type Stripping in the Browser
(14:45) - Community Highlight: Deno and Qwik Video
(15:52) - Community Highlight
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
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