Nico Jansen@_nicojs

🤝 Open source advocate 👽 Maintainer of @stryker_mutator 💼 Manager and trainer @InfoSupportBV 💚 Loves green energy and vegetables

 Holland and Belgium
github.com/nicojs
Joined January 2012
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One of the devs behind @stryker_mutator; devoted to OSS. Cat person & semi-horticulturist. Loves games and tech conferences; we love gamers and #Scala speakers. Coincidence? Don't think so :) Dear Scala lovers, please meet @Hugo_vrijswijk who joined us as a speaker!
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What I find to be a general truth of life: Never doubt #eslint rules. You are much dumber than you think! @geteslint
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Update on my goals
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All jokes aside, this is an awesome tool for retros and stuff metroretro.io/
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I wish I had infinite confetti in real life
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Come for the auto completions Stay for the red pipelines. - TypeScript
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Announcing Stryker 4.4 🎉 for #JavaScript and #TypeScript. Introducing: 👽 Smart regex mutations 📦New `--inPlace` option Try it out today stryker-mutator.io/docs/stry…
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It is 2021 🎉! About time we get some nice shiny things. 👽 Smart regex mutations, coming to Stryker for #JavaScript and #TypeScript! Yes, your regexes will be checked for bugs 🐛 github.com/stryker-mutator/s… #awesomesauce #mutationtesting

feat(regex-mutator): smart regex mutations by nicojs · Pull Request #2709 · stryker-mutator/stryk...

This PR adds support for smart regex mutations to Stryker. 👽 Some examples: /\d{4}\s[a-Z]{2}/; // Mutates to: /\d\s[a-Z]{2}/; // => Quantifier removal /\D{4}\s[a-Z]{2}/; // => Predefi...

github.com
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Nico Jansen retweeted
Elon Musk
@elonmusk
21 Jan 2021
Am donating $100M towards a prize for best carbon capture technology
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Printout of four TypeScript error messages
sNOway suz ☀️🌴⛱@TheWaveDealer1
20 Jan 2021
Name the book Biden was sworn in on. Wrong answers only.
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Nico Jansen retweeted
Greta Thunberg
@GretaThunberg
20 Jan 2021
He seems like a very happy old man looking forward to a bright and wonderful future. So nice to see!
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Waking up and seeing this PR (👀look at the compatibility percentage). Let me get a coffee ☕
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Which #Java version do you use in your projects where you use Stryker4s, the #mutationtesting framework for #Scala?
33% Java 8
0% Java 9 - 10
67% Java 11 or higher
6 votes • Final results
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I love #js development. Once you start, you cannot stop.
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Do you remember when you joined Twitter? I do! #MyTwitterAnniversary Disclaimer: Twitter remembered it for me 😉
Happy silly walk day everyone!
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🎉 Announcing Stryker 4.3.1! Bringing performance improvements to the Jest runner plugin 🃏. Now supporting both coverage analysis and `--bail`. For more information, see stryker-mutator.io/docs/stry…
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Merry Christmas everyone! 🎄
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As true as ever 😄
Ryan Cavanaugh 👉 searyanc.dev on bsky@SeaRyanC
16 Sep 2019
TypeScript: *powers JavaScript JSDoc-based Intellisense in VS family; gets better every release* JS Devs: "Wow, JS Intellisense is so good these days you hardly even need TypeScript at all" TypeScript:
Ok, what just happened? 🤯
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