Andrei Pfeiffer
@andreipfeiffer.dev
Code Designer, fighting software entropy
One thing I forgot to mention during my talk is that the replacement of 3rd party libraries with built-in Node.js features is the ultimate recognition for OSS involvement.
JSHeroes@jsheroes.io · last wk.Wrapping up day 1 in 2026 we had @andreipfeiffer.dev with his talk on the latest developments on the node platform 💯 www.youtube.com/watch?v=ouj0...
If you need CFP rejection emails content for training data, hit me up, I got loads of them 😎
I'm delighted with TS 7, but it's hard to be _that_ excited when there's no provision yet for type-checking Vue, Lit, Svelte, etc I'm watching this issue: github.com/microsoft/ty...
API usage patterns for complex editor extensions · Issue #2824 · microsoft/typescript-go
TypeScript 6.0 and earlier allowed loading third-party plugin code directly into TS Server, exposing language service and project system internals for proxying and patching. This was often used in ...
github.com
TypeScript@typescriptlang.org · last mo.📣 The moment is here. 📣 TypeScript 7 is officially released! 7️⃣ devblogs.microsoft.com/typescript/a...
This is important: if you’re in the UK and you care about creatives, I encourage you to sign this letter. openletter.earth/open-letter-...
"98% of readers prefer imperfect-yet-authentic human writing; most will stop reading, block you, and downvote you if they suspect AI" ☝🏻 Report: How developers react to AI-scented blog posts writethatblog.substack.com/p/dev-reacti... Bookmarked.
Report: How Developers React to AI-Scented Blog Posts
98% of readers prefer imperfect-yet-authentic human writing; most will stop reading, block you, and downvote you if they suspect AI
writethatblog.substack.com
Cynthia Dunlop@cynthiadunlop.bsky.social · 2mo agoHere are the results writethatblog.substack.com/p/dev-reacti...
New post: "The AI Strategy Trap" Many orgs are rushing to embed AI for improved productivity, lower costs and more profit. But, they might be rushing into a costly dependency on a technology, with no say in the terms of the lease! www.craigabbott.co.uk/blog/2026/th... #ai #strategy #aiStrategy
The AI strategy trap
Why AI pricing is a loss-leading trap which is looking to lock you in
craigabbott.co.uk
A new tim.js meetup is coming! ☀️ 🎤 Retired Dependencies Andrei Pfeiffer, Code Designer @ Smilecloud Let’s explore which third-party packages modern Node.js can replace and what we can finally remove from package.json. 👉 Grab your spot: luma.com/5bcw963a
tim.js meetup #108 · Luma
Hello, JavaScripters! 👋 We’re getting together again, this time at a venue perfect for kicking off the summer. ☀️ On the agenda *** Retired…
luma.com
Code is cheap to produce, but expensive to change and maintain.
Aaaand it's a wrap 🌯 We loved having you all in this edition, the speakers, the attendees and the sponsors. We made new friends and we got the chance to old ones again after many years. Stay tuned for 2027!
Ready for a new tim.js edition? Our 107th meetup comes with a strong AI flavor, and we’re excited to see you on May 27th! On the agenda: 🎤 Beyond the UI: Web Applications in the Age of Agents by Adrian Faciu 🎤 AI made me better. Faster. Exhausted. by Anca Spatariu 👉 luma.com/p9e0pv9o
tim.js meetup #107 · Luma
Hello JavaScripters, ready for a new tim.js edition? This time we are meeting at HAUFE Group. Here is the agenda: *** 🎤 Beyond the UI: Web Applications in…
luma.com
Lettermatic ✕ GitHub Next: the inside story of Monaspace, a truly groundbreaking advancement for how we display code. We knew that Lettermatic would go deep, but we were still amazed by their level of knowledge and craft. See their case study below, and get the fonts at monaspace.githubnext.com
Monaspace
An innovative superfamily of fonts for code
monaspace.githubnext.com
Riley Cran@rileycran.bsky.social · 5mo agoNew work for GitHub: Monaspace. 🔤 A superfamily of 5 open-source typefaces for code. Full case study here: lettermatic.com/custom/monas...
📣 New blog post: The complete map of project anatomies andreipfeiffer.dev/blog/2026/pr... Finally, after several months of iterations, I've managed to publish my analysis on files and folders structure evolution in software projects and popular approaches applicability at different scales.
The complete map of project anatomies
In this blog post we'll analyse hospitals distribution at different scales and see that software projects follow a similar evolution regarding their files and folders anatomy.
andreipfeiffer.dev
A short article on the perils of the old JS Date API by @philna.sh 📜 It explains the modern solution: use Temporal which shipped in Chrome 144 yesterday 👍 And the article is already out of date! 😉 (in a good way - the article was published 24 hours before Chrome shipped)
Phil Nash@philna.sh · 7mo agoWrote a new blog post. This is the story of how I tried to add one month to a JavaScript date and discovered the result was 9 months earlier. Yes, the problem was time zones. Even though the time didn't matter. philna.sh/blog/2026/01...
🎟️ JSHeroes tickets are live 🎟️ 👉 jsheroes.io A limited batch of Early Bird tickets is available for €170 - secure the best deal of the season for a 2-day conference with inspiring talks, amazing people, and unforgettable vibes. ✨ See you in May! 🚀 #JSHeroes #TechConference #TechInnovation
The clock is ticking! ⏰ Less than 2 weeks left to submit your talk proposal and get a chance to join us as a speaker at #JSHeroes 2026! 🚀 🔎 Find all the details here: jsheroes.io/speak. #TechConference #TechEvent #WebDev #TechInnovation
We've got some updates on TypeScript 7! The new native port - can type-check any project - supports --build and --incremental - has rich editor features implemented - is still 10x faster and is ready for you to try today! devblogs.microsoft.com/typescript/p...
Progress on TypeScript 7 - December 2025 - TypeScript
Earlier this year, the TypeScript team announced that we’ve been porting the compiler and language service to native code to take advantage of better raw performance, memory usage, and parallelism. Th...
devblogs.microsoft.com
Have you started writing your proposals? 👀 Only 26 days left in this year - and 26 days left to submit your idea for a chance to join us on stage at #JSHeroes 2026! 🚀 👉 jsheroes.io/speak #TechConference #TechEvent #TechInnovation #WebDev
We just scheduled our next tim.js edition. Meet us on Nov 26th for a topic that goes beyond JavaScript. www.meetup.com/tim-js/event...
tim.js meetup #102, Wed, Nov 26, 2025, 6:30 PM | Meetup
Hello JavaScripters, ready for the last presentation this year? This time we are meeting up at Haufe. Here's the agenda: \*\*\* **Beyond Copy-Paste: Understanding LLMs an
meetup.com
📝 Importing vs fetching JSON JSON imports are now supported cross-browser, but when would you use them rather than fetch()? jakearchibald.com/2025/importi...
Importing vs fetching JSON
They behave differently, so make sure you pick the right one.
jakearchibald.com
📢 We're happy to announce the dates for the 2026 edition. 🎉 Mark your calendars, share the good news with your fellow JS enthusiasts, and start planning your trip to Cluj. 🐻💙 #JSHeroes #TechConference #TechInnovation
📺 2025 recordings are live! All the talks from #JSHeroes 2025 are now available on our YouTube channel: 👉 bit.ly/3GEBiUf Enjoy & share them with fellow JS enthusiasts! 💙 #TechConference #TechInnovation #JavaScriptTrends
JSHeroes 2025
Share your videos with friends, family, and the world
bit.ly
One of the conferences where I spoke about this has a recording available now, see here Andrei: www.youtube.com/watch?v=YbQh...
[VDBUH2025] Liran Tal - Friend or Foe? TypeScript Security Fallacies
YouTube video by Devoxx
youtube.com
Post conference vibes ❤️ Another amazing group of people I had the privilege to interact with over the past few days at @jsheroes.io #JSHeroes2025
To kick off the 2025 edition, a friend of the house Andrei Pfeiffer (@andreipfeiffer.dev) takes on the stage with "The code etymologist" #JSHeroes #JSHeroes2025
That's a great advice from @andreipfeiffer.dev Using runtime schema validation (like Zod) to ensure we have all the required ENV variables setup... Otherwise, get an explicit error about what's missing Read more www.jacobparis.com/content/type... #JSHeroes2025
Absolutely thrilled! See you all in less than 2 months 🤘
JSHeroes@jsheroes.io · last yr.🌟 Speaker Spotlight #JSHeroes 2025: We're very excited to welcome back Andrei Pfeiffer! 🎉 One of our recurring speakers over the years, Andrei is a close friend of the JSHeroes community and part of the ambassadors group since we started doing this. 👨💻 #TechConference
