TypeScript.fm - The Friendly Show for TypeScript Developers

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) - Intr...

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 code. Ch...

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...

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) - Introduct...

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: TypeScript 5.9 B...

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! Chapters Per...

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 Here (07:...

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 (05:02) - News...

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, the No...

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 Imports S...

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 Migrat...

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 with Rolld...

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 (17:23) - News:...

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: String S...

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 Model (...

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) - Communi...

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) - Commu...

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 Development B...

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 (11:23) - News...

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? (...

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 (07:31)...

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 (00:00)...

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 Intro 00:50 VGM Con 02:07 IGDATC Talk Wednesday April 9th 02:41 Toddler Zone 03:28 Exciting Arizona Travel...

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 your feedbac...

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 best TSGo...