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Andrei Pfeiffer

@andreipfeiffer.dev
119 followers 51 following 41 posts

Code Designer, fighting software entropy

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Andrei Pfeiffer @andreipfeiffer.dev · 11/08/2026
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.
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Andrei Pfeiffer @andreipfeiffer.dev · 15/07/2026
If you need CFP rejection emails content for training data, hit me up, I got loads of them 😎
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danielroe @danielroe.dev · 08/07/2026
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...
github.com
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 ...
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Andrei Pfeiffer @andreipfeiffer.dev · 02/07/2026
Did you mean CHAPTER?
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Gary Spencer Millidge @millidge.com · 01/07/2026
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-...
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Sara Soueidan @sarasoueidan.com · 01/07/2026
"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.
writethatblog.substack.com
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
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Craig Abbott @craigabbott.co.uk · 16/06/2026
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
craigabbott.co.uk
The AI strategy trap
Why AI pricing is a loss-leading trap which is looking to lock you in
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tim.js @timjs.ro · 11/06/2026
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
luma.com
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…
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Andrei Pfeiffer @andreipfeiffer.dev · 31/05/2026
I'm sure they will, ...eventually.
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Andrei Pfeiffer @andreipfeiffer.dev · 31/05/2026
That's one of the differences between using LLMs to produce text/image/video vs code/software.
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Andrei Pfeiffer @andreipfeiffer.dev · 31/05/2026
Code is cheap to produce, but expensive to change and maintain.
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Andrei Pfeiffer @andreipfeiffer.dev · 17/05/2026
And easily adjust font size 😁
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Andrei Pfeiffer @andreipfeiffer.dev · 17/05/2026
And you can easily switch between light and dark themes
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Andrei Pfeiffer @andreipfeiffer.dev · 17/05/2026
And you don't get vendor locked-in
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Andrei Pfeiffer @andreipfeiffer.dev · 17/05/2026
And it works offline
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JSHeroes @jsheroes.io · 15/05/2026
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!
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Andrei Pfeiffer @andreipfeiffer.dev · 14/05/2026
You get code highlight out of the box
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tim.js @timjs.ro · 14/05/2026
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
luma.com
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…
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GitHub Next @githubnext.com · 25/03/2026
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.githubnext.com
Monaspace
An innovative superfamily of fonts for code
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Andrei Pfeiffer @andreipfeiffer.dev · 19/01/2026
📣 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.
andreipfeiffer.dev
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.
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Rob Palmer @robpalmer.bsky.social · 14/01/2026
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)
From the article "Temporal has still not made it to many JavaScript engines. At the time of writing, it is available in Firefox and nowhere else"

Plus red annotation "Not true: now in Chrome!"
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JSHeroes @jsheroes.io · 08/01/2026
🎟️ 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
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JSHeroes @jsheroes.io · 18/12/2025
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
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TypeScript @typescriptlang.org · 02/12/2025
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...
devblogs.microsoft.com
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...
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JSHeroes @jsheroes.io · 05/12/2025
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
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tim.js @timjs.ro · 18/11/2025
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...
meetup.com
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
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Andrei Pfeiffer @andreipfeiffer.dev · 25/10/2025
Nope
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Jake Archibald @jakearchibald.com · 22/10/2025
📝 Importing vs fetching JSON JSON imports are now supported cross-browser, but when would you use them rather than fetch()? jakearchibald.com/2025/importi...
jakearchibald.com
Importing vs fetching JSON
They behave differently, so make sure you pick the right one.
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Andrei Pfeiffer @andreipfeiffer.dev · 31/08/2025
You speak it out loud
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Andrei Pfeiffer @andreipfeiffer.dev · 31/07/2025
Yeah, you could write code while walking to the office, while taking a dump (not a sql one). Now that's productivity boost. The only downside is that you can't code during meetings. You'll need to type the code (sorry, the prompt).
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Andrei Pfeiffer @andreipfeiffer.dev · 31/07/2025
I'm waiting for an `AI Settings` with a `Disable all AI shit` option, similar to `Notification Settings` in most apps today.
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JSHeroes @jsheroes.io · 15/07/2025
📢 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
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JSHeroes @jsheroes.io · 10/07/2025
📺 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
bit.ly
JSHeroes 2025
Share your videos with friends, family, and the world
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Liran Tal @lirantal.com · 12/06/2025
Mom look! I'm on the Platformatic blog 🎉
blog.platformatic.dev
Unpacking Config & Env Variables in Node.js
Learn how to manage Node.js configuration effectively to avoid security risks, ensure reliability, and stop losing sleep over misconfigurations
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Andrei Pfeiffer @andreipfeiffer.dev · 12/06/2025
I read your name Josh Goldbergon
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Andrei Pfeiffer @andreipfeiffer.dev · 08/06/2025
You're getting old, man. And probably realize that in the end, the real social network is more important the online one. So, good for you.
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Andrei Pfeiffer @andreipfeiffer.dev · 06/06/2025
Great talk, very informative
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Liran Tal @lirantal.com · 06/06/2025
One of the conferences where I spoke about this has a recording available now, see here Andrei: www.youtube.com/watch?v=YbQh...
youtube.com
[VDBUH2025] Liran Tal - Friend or Foe? TypeScript Security Fallacies
YouTube video by Devoxx
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Andrei Pfeiffer @andreipfeiffer.dev · 06/06/2025
Awesome, thanks man, looking forward to it 🤘
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Andrei Pfeiffer @andreipfeiffer.dev · 06/06/2025
Thanks man, really appreciate it
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Andrei Pfeiffer @andreipfeiffer.dev · 05/06/2025
You trully deserve this. You've been giving so much to the community for such a long time.
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Andrei Pfeiffer @andreipfeiffer.dev · 05/06/2025
I'm really curious about this topic.
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JSHeroes @jsheroes.io · 05/06/2025
#JSHeroes 2025 in your words ✨ #TechConference #TechEvent
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Alex Moldovan @alexmoldovan.dev · 01/06/2025
Post conference vibes ❤️ Another amazing group of people I had the privilege to interact with over the past few days at @jsheroes.io #JSHeroes2025
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Andrei Pfeiffer @andreipfeiffer.dev · 01/06/2025
The privilege is ours, Alex. Thank you and the entire organizing team for the opportunity to take part in this photo, this event, this community.
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Andrei Pfeiffer @andreipfeiffer.dev · 30/05/2025
🤜🤛
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Andrei Pfeiffer @andreipfeiffer.dev · 29/05/2025
Thank you dude, always a pleasure to be here 🤗
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Andrei Pfeiffer @andreipfeiffer.dev · 29/05/2025
Thrilled to be back once again 🤘
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JSHeroes @jsheroes.io · 29/05/2025
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
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Alex Moldovan @alexmoldovan.dev · 29/05/2025
So happy to see @andreipfeiffer.dev back on the @jsheroes.io stage! We are live ❤️
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