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Jon Kuperman

@jonkuperman.com

6.6K followers 790 following 1.6K posts

TC39 - Signals - Source Maps - TS/JS @Bloomberg. Previously I did web at Adobe and Twitter. Opinions are my own.

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Jon Kuperman @jonkuperman.com · 14h

there is something about new york

Reposted by Jon Kuperman

Lit @lit.dev · 2d

Lit is joining @openjsf.org! 🎉

Today at JSConf, The OpenJS Foundation announced Lit is officially joining as an Impact Project!

We're beyond excited for this move and look forward to continuing our work to build the open web with OpenJS!

Read more on our blog: lit.dev/blog/2025-10...

Lit is Joining the OpenJS Foundation!

Lit is officially joining the OpenJS Foundation as an Impact Project!

Jon Kuperman @jonkuperman.com · 4d

I get carsick in London but not in America and I don’t understand why

Jon Kuperman @jonkuperman.com · 5d

Mine has gotten so terrible, but I suspect part of it is that I only log on once ever 6 months or so.

Jon Kuperman @jonkuperman.com · 5d

TIL I am still not British enough

Jon Kuperman @jonkuperman.com · 5d

Genuinely curious, do you think people who have continued to use X/Twitter post-acquisition have had their world view altered by doing so? It seems clear to me Musk is actively trying (I believe he's admitted as much) to push against leftism. I'm curious if it's working?

Might delete this 😅

Jon Kuperman @jonkuperman.com · 6d

I always think about the quote "The market can stay irrational longer than you can stay solvent"

Jon Kuperman @jonkuperman.com · 6d

people with money invested in the SP500 - maybe don't check your accounts today

Jon Kuperman @jonkuperman.com · 6d

big same

Jon Kuperman @jonkuperman.com · 6d

I’m not super experienced here but I always use the latest Claude model

Jon Kuperman @jonkuperman.com · 6d

Are there any apps that even come close to being this annoying?

A push notification from Duolingo that says the word please in all capital letters with like 20 A’s

Reposted by Jon Kuperman

Titian Cernicova-Dragomir @titiancernicova.bsky.social · 7d

Always happy to see something you worked on out in the wild! Love to see isolated declarations being used 😊. #viteconf.amsterdam

Jon Kuperman @jonkuperman.com · 8d

Wish I was there! Sounds great!

Jon Kuperman @jonkuperman.com · 8d

This is so good! I hope you have a blast!

Jon Kuperman @jonkuperman.com · 9d

these smoke detector beeps could have been an email

Jon Kuperman @jonkuperman.com · 10d

I picked up a sushi takeaway and they gave me NINE sets of chopsticks

Nine sets of chopsticks

Jon Kuperman @jonkuperman.com · 11d

@chriscoyier.net I just tried to type your name and my phone autocorrected to Chris Coyote. Just something to consider! 🤣

Jon Kuperman @jonkuperman.com · 12d

great readme

a github readme for a regex engine that just says "oh no why"

Jon Kuperman @jonkuperman.com · 12d

Man I haven't watched those in years but can still picture this scene perfectly

Reposted by Jon Kuperman

Joyee Cheung @joyeecheung.bsky.social · 13d

I gave a talk today at @nordicjs.com about shipping Node.js packages in 2025...or how to transition from shipping dual/faux-ESM/CommonJS to shipping ESM directly!

Slides at github.com/joyeecheung/...

Jon Kuperman @jonkuperman.com · 14d

A tiny bit embarrassed to say but I don’t think I’ve ever been to Oklahoma!

Jon Kuperman @jonkuperman.com · 14d

Would support somewhere else be super beneficial here? More devtools?

Jon Kuperman @jonkuperman.com · 14d

I would love my sister no matter what she did for work but having a nurse for a sister rules

Jon Kuperman @jonkuperman.com · 14d

Wow this surprised me (just looked it up)

Jon Kuperman @jonkuperman.com · 14d

Would love to read a long form post on this journey! (No pressure obviously)