Thomas Chetwin @TChetwin
Software Engineer at Bloomberg. Opinions are my own. London Joined June 2009-
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Ecma Recognition 😉 This award for my work as co-chair of @TC39 for the last five years was a lovely surprise 🙏 I'm grateful for the sustained encouragement & support from leadership at @TechAtBloomberg championing the value of open source & standards 👍
Ecma Recognition 😉 This award for my work as co-chair of @TC39 for the last five years was a lovely surprise 🙏 I'm grateful for the sustained encouragement & support from leadership at @TechAtBloomberg championing the value of open source & standards 👍
Here's why the Records and Tuples proposal died, and how Composites might solve it. I did my homework for this one - I interviewed @acutmore, the Composites TC39 champion. And I'm really proud of how it turned out. I'd love any feedback you can give me, and I'll make any…
✨ dtsx is a fast new DTS emitter for TypeScript. It leverages tsconfig "isolatedDeclarations" to ensure that source code is sufficiently annotated with types.
✨ dtsx is a fast new DTS emitter for TypeScript. It leverages tsconfig "isolatedDeclarations" to ensure that source code is sufficiently annotated with types.
📷Huge thanks to @TechAtBloomberg for being a #gold sponsor at @NodeConfEU 2024!! Your partnership is helping us create something truly special. 📷 #Sponsorship #Techatbloomberg #gold #waterford #ireland #techevents
🚀 Node.js 23 is here! 🚀 New features, performance boosts, and a smoother developer experience. With better compatibility and stability, Node.js 23 delivers more power for building efficient apps. Read here: 👉hubs.la/Q02TFFXp0 #NodeJS #JavaScript #WebDevelopment
TypeScript 5.7 beta is now available to try! Read up on what's new today! devblogs.microsoft.com/typescript/ann…
TypeScript London is tomorrow 😮 After two new open source releases, here's the line up: 🔷 @alistaiir to kick us off 🔤 Stricli: Building Better CLIs 🪿 Porffor: Type-Driven Runtime Optimizations 👻 ts-blank-space: Faster TypeScript Compilation And some very special guests 💙
TypeScript London is tomorrow 😮 After two new open source releases, here's the line up: 🔷 @alistaiir to kick us off 🔤 Stricli: Building Better CLIs 🪿 Porffor: Type-Driven Runtime Optimizations 👻 ts-blank-space: Faster TypeScript Compilation And some very special guests 💙
I'm excited to announce Stricli, a brand new #opensource framework for building type-safe, lazy-loaded CLI applications with #TypeScript. We developed this framework for our internal CLIs at @TechAtBloomberg, and now we want to share it with the world. bloomberg.github.io/stricli/blog/i…
@andywingo @igalia Now w/ 20+ years SpiderMonkey experience, ~15 v8/Node, Chromium etc. we’ve assembled one of the best sets of passionate JS ecosystem engineers in NYC/London. London! Go meet Rob (TC39 co-chair) and everyone doing amazing things with JS/TS in London HQ on Wednesday!
@andywingo @igalia Now w/ 20+ years SpiderMonkey experience, ~15 v8/Node, Chromium etc. we’ve assembled one of the best sets of passionate JS ecosystem engineers in NYC/London. London! Go meet Rob (TC39 co-chair) and everyone doing amazing things with JS/TS in London HQ on Wednesday!
TypeScript 5.7 will load 2.5x faster than TypeScript 5.6 when run in Node 22+, thanks to @JoyeeCheung's work to provide an offical API for V8 compile caching. That's 60% less time waiting for tsc/tsserver to actually start doing work. PR: github.com/microsoft/Type…
Today, I'm releasing a TypeScript compiler called ts-blank-space 🎈 We use this at @TechAtBloomberg to perform type-stripping on a modern subset of TypeScript. It's written in TypeScript and is fast because it uses whitespace to enable work-skipping. bloomberg.github.io/ts-blank-space
We're hosting our first London #TypeScript Community Meetup at @Bloomberg's EMEA HQ in London on Wed., October 2 (18:00 BST). Join us for 3 exciting talks & to meet London @typescript community members, including some TypeScript contributors. bloom.bg/4enU9OF #opensource
(1/2) @Bloomberg is excited to join the Unicode Consortium (@unicode) as a Supporting member, where we'll have the opportunity to help advance the state of internationalized software for global financial applications bloom.bg/3Twl1UI #opensource
The release candidate for TypeScript 5.6 is now available for testing! Give it a try today for more new checks, ways to speed-up your builds, new JS features, and more! devblogs.microsoft.com/typescript/ann…
Node.js 22.7.0 is out 💚 * Experimental Node.js to support TypeScript syntax such as Enum and namespace🙌 * Module syntax detection is now enabled by default 🙌 * Faster Buffer.copy & Buffer.write ⚡ Check it out nodejs.org/en/blog/releas…
Node.js v20.17.0 (LTS) is out 🎉 Some notable changes include: - module: support require()ing synchronous ESM graphs - path: add matchesGlob method - stream: expose DuplexPair API Link to the full release notes 👇 nodejs.org/en/blog/releas…
We're proud to announce @TechAtBloomberg as a sponsor of SquiggleConf 2024! ✨ Bloomberg runs one of the world's largest information networks, powered largely by web tech. Its engineers have contributed to many of the latest & greatest web dev tools, including TypeScript's…
We’ve published lots of videos on Chrome Extensions lately! New today, here’s an explainer I worked on about content scripts: youtu.be/ezhJezGX5ak
Node 22.6.0 just added TypeScript support 🔥 if you're planning to use it, you'll need these two lines in your tsconfig.json. Brief explainer in a 🧵
📷Excited to announce that @TechAtBloomberg is a #Gold sponsor of @NodeConfEU 2024! Thank you for supporting us and making this event possible.🙌 #NodeConfEU2024 #Bloomberg Learn about @TechAtBloomberg’s large #JS codebase: TechAtBloomberg.com/javascript #JavaScript #Goldsponsor #castle

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