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Lars

@webpro.nl

2.3K followers 260 following 1.2K posts

Independent developer/architect. JavaScript/TS, DX, automation, tooling, performance & OSS. Arch/Linux enthusiast. 🏡 https://webpro.nl 🦋 https://webpro.blue ✂️ https://knip.dev 📊 https://try.venz.dev 🔠 https://wooordle.webpro.nl 🔣 https://ansi.tools

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Lars @webpro.nl · Aug 28

me, a relentless refactorer

webpro.nl/hire-me

i have 1 or 2 days a week availability to untangle & fresh up any JavaScript or TypeScript codebase ✂️

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Reposted by Lars

John Reilly @johnnyreilly.com · 1d

"If I Had More Time, I Would Have Written a Shorter Letter" - this is a memo that AI coding tools have yet to to take on board. knip.dev totally has though. I just used it to put an AI generated codebase through the deadwood colander and I'm very happy with the results!

Declutter your JavaScript & TypeScript projects

Project linter to find unused dependencies, exports and files

knip.dev

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Lars @webpro.nl · 17h

Thanks John, very nice to hear and glad it's useful! There's always room for improvement though, feel free to share where we could "write it shorter" ✅

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Lars @webpro.nl · 2d

Reminds me of this talk, some great gems in there

www.youtube.com/watch?v=uFrP...

Git Hidden Gems - Enrico Campidoglio - Copenhagen DevFest 2023

YouTube video by NDC Conferences

www.youtube.com

Reposted by Lars

The Oatmeal @theoatmeal.bsky.social · 5d

Let’s talk about AI art.

theoatmeal.com/comics/ai_art

A cartoonist's review of AI art - The Oatmeal

This is a comic about AI art.

theoatmeal.com

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Lars @webpro.nl · 4d

You certainly have a good point, but so far quality and convenience actually go up. For instance I've installed pi-hole, and navidrome to stream my music

Lars @webpro.nl · 4d

Recently bought this $100 mini pc (N95) and it's been so great for learning, hacking and trying out things like self-hosting and homelab stuff, linux distros, install scripts and what have you. Whatever works might end up on the actual NAS to further ungoogle, unflix, unspotify, etc.

Lars @webpro.nl · Jun 30

Ungoogling hard here, got rid of Drive and set DDG as default search engine

Next up are Gmail (personal) and Chrome ✌️

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Lars @webpro.nl · 5d

Subscribed

youtu.be/PUtG4Zmd_AY

The Attention Economy Is Everywhere. Self-Hosting Is the Escape.

YouTube video by Nathan Laundry

youtu.be

Lars @webpro.nl · 5d

Thank you, Cyle! And for your significant contribs as well, much appreciated 🙏

Reposted by Lars

Dominik 🔮 @tkdodo.eu · 6d

🗣️ My talk "Decluttering Sentry - One Knip at a Time" from @react-prague.bsky.social is now available on YouTube

✂️ This is a real-life story (with ups and downs) about how we used knip by @webpro.nl at @sentry.io to delete 20k lines of unused code and now run it in CI so it never happens again 🎉

Decluttering Sentry: One Knip at a Time | Dominik Dorfmeister

YouTube video by React Prague

www.youtube.com

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Lars @webpro.nl · 5d

Fantastic! Enthusiastic people and deleted code 👌 Thanks for spreading the joy ✂️

Tbh it's great to see how Knip handles the Sentry codebase. Just two nits: dynamic imports and auto-fix are supported now.

Lars @webpro.nl · 6d

Yeah, I guess! That was just the one I've stumbled upon and stuck with. I do like the ability to set hex color codes in PanWriter 🎨

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Lars @webpro.nl · 6d

📝 Digging the distraction-free @calmlywriter.com app

🧘‍♂️ www.calmlywriter.com

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Lars @webpro.nl · 6d

If I can do it you can do it 💯

Reposted by Lars

KOJAMF🤘🖤🤘 @kojamf.bsky.social · 7d

Dr. Jane Goodall filmed an interview with Netflix in March 2025 that she understood would only be released after her death.

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Lars @webpro.nl · 8d

✂️ Knip has the machinery in place to nail all of this

the solution is usually to improve or add a plugin (or a tiny bit of user config if not following conventions)

💯 so please file issues or open pull requests and have knip nail more cases for y'all

from: johnjames.blog/posts/cleani...

excerpt from the linked article, it reads:

what knip nailed, and where it didn’t

Good at common React and server app entry points, and lots of config conventions. Not great when usage is indirect or only happens in scripts or CI. That’s fine. Humans still have jobs.

Lars @webpro.nl · 10d

so keeping an eye on this

Dominic Gannaway @trueadm.dev · 11d

RippleJS has improved quite a bit! 🔥

- new reactivity syntax that uses `track` and @
- support for index and keyed for loops
- `clsx` built in to class attributes
- #[] and #{} shorthand for TrackedArray and TrackedObject - <head> support
- many, many bug fixes

export component App() {
// This is a tracked array using #[] syntax
let cities = #['London', 'New York', 'Tokyo', 'Sydney'];

// index and key syntax has shipped
for (const city of cities; index i) {
<div>{i + ' - ' + city}</div>
}

<button onClick={() => {
cities.push(randomCity());
}}>{"Add random city"}</button>

<head>
<title>{"You can also update the title!"}</title>
</head>
}

Lars @webpro.nl · 10d

That's great. Knip might make you think :)

Seeing tons of PRs where folks end up doing all sorts of refactorings for the better.

Lars @webpro.nl · 11d

Thanks Ben!

Lars @webpro.nl · 11d

Good luck! Feel free to yell or AMA :)

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Lars @webpro.nl · 11d

Not bad at all! I'd say even with a few lines added it's still a net win over time and prevent regressions from creeping in. I might be slightly biased, though 😅

Reposted by Lars

James @43081j.com · 11d

another new release 🎉

fast-slice-ansi is a super fast, tiny lib for String#slice but "visually" (based on how it'd render in a term)

GitHub - 43081j/fast-slice-ansi

Contribute to 43081j/fast-slice-ansi development by creating an account on GitHub.

github.com

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Lars @webpro.nl · 11d

thanks again! what a boost 🚀

Reposted by Lars

James @43081j.com · 11d

super happy to land this ansi tools perf speed up!

this will be used in a bunch of ANSI utils, making them all a _lot_ faster than the older packages they replace

perf: use inline condition for introducers by 43081j · Pull Request #4 · webpro/ANSI.tools

In all cases I've seen, Set#has is much slower than a basic if in this particular case (INTRODUCERS). Using an if here (which is also a hot path) speeds up tokenisation significantly.

github.com

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Reposted by Lars

Patrick Dubroy @dubroy.com · 11d

oooh, this looks super useful.

A heading reading "JSON with labels and numbers", followed by the following monspace-formatted text:

[
["Bananas", 5],
["Apples", 4],
["Oranges", 3]
]

Bar chart comparing fruit quantities across three categories. The chart shows Bananas with the highest value at 5 units (purple bar), Apples with 4 units (pink bar), and Oranges with 3 units (teal bar). The y-axis shows "Units" ranging from 0 to 5.5, and the x-axis shows "Run #". A legend on the right identifies the three fruit types with corresponding colors. Below the chart, there are checkboxes for each fruit type, and statistical comparisons showing that Oranges are 1.33 times lower than the highest value and 1.67 times lower than another reference point

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Lars @webpro.nl · 11d

📊 Fixed a few bugs in Venz this morning ☕

New to Venz? It's the easiest way to create SVG charts from all sorts of data, such as hyperfine or mitata test results or just lists of numbers (and optionally labels). Create shareable URLs. Check out the examples at try.venz.dev/about

→ try.venz.dev

Venz

Easy and accessible dataviz

try.venz.dev

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