Rob Palmer

@robpalmer2

JavaScript Infrastructure & Tooling at Bloomberg. Likely to tweet tech stuff about JS & software performance. Opinions are my own.

Vrijeme pridruživanja: srpanj 2009.

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  1. proslijedio/la je Tweet
    prije 4 sata

    Understanding the ECMAScript spec, part 1: In this article, explains how JavaScript built-ins are specified, and how to make sense of the spec text. 🔥

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  2. proslijedio/la je Tweet

    downlevel-dts now converts fields into name-mangled normal privates. downlevel-dts now supports all the new 3.8 features, so try it out and let me know if it works for you!

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  3. proslijedio/la je Tweet
    prije 24 sata
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  4. proslijedio/la je Tweet
    1. velj

    An ephemeron is a key/value pair that is treated special by the GC, the GC can collect it when either the key or the ephemeron are weakly reachable. The value can only be traced during the mark phase when the GC can prove both the key and ephemeron are reachable.

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  5. proslijedio/la je Tweet
    1. velj

    If you ever have tried to debug a memory leak in DevTools in an app that uses WeakMaps due to a key being leaked, and been utterly lost trying to find this needle in a haystack, I have a tool for you Thanks

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  6. proslijedio/la je Tweet
    1. velj

    I’ve started building out the v3 playground to have a dev environment for creating playground plugins ( my WIP plugin is a mix of mdx-deck + playground, see it in tab list) It’s a single tick box to start working with the template I’ll ship.

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  7. proslijedio/la je Tweet
    30. sij

    If you could ask TC39 any question, what would it be? We have a last minute awesome announcement! 🎉 The JavaScript standards committee (TC39) is going to be stopping by 🌺 They are going to be running a panel on Friday with our amazing emcee moderating!

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  8. proslijedio/la je Tweet
    30. sij

    WebAssembly brings SIMD support to the Web. What is it? and explain and demonstrate how to use it to run native code on the Web even faster! 🔥 (This feature is currently experimental and available under a flag.)

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  9. proslijedio/la je Tweet
    29. sij

    👏 We're incredibly excited to announce that is supporting this year as a sponsor! ✨ With their help, we can offer more scholarships! 💙Thanks for your support and your trust in us!

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  10. proslijedio/la je Tweet
    29. sij

    Thanks for the trust and especially the support is providing to ! 🙏

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  11. proslijedio/la je Tweet
    27. sij
    Marty McFly playing guitar: Yarn v2. Crowd staring: JavaScript community. I guess you guys aren't ready for that. But your kids are gonna love it.
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  12. proslijedio/la je Tweet
    27. sij
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  13. proslijedio/la je Tweet
    24. sij

    If you missed it earlier, I just finished a transcript of my chat (66 min) with on: investing in tooling with preset-modules, complexities of compilers, and lessons learned to take forward with preset-env. Some fun gems in here!

    Henry Zhu: Right! So like if say Babel outputted something that was a bit bigger, and you were able to fix that for everyone, then that’s a huge size win. I guess your goal is to reduce the code size for all websites.

Jason Miller: You know, if I had a personal mantra, it would be to make the web smaller.
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  14. proslijedio/la je Tweet
    24. sij

    DWARF support in Binaryen (necessary for debugging in Emscripten) making progress, can now load in Chrome devtools

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  15. proslijedio/la je Tweet
    24. sij

    TypeScript enums: How do they work? What can they be used for?

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  16. proslijedio/la je Tweet
    24. sij
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  17. proslijedio/la je Tweet
    23. sij
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  18. proslijedio/la je Tweet
    22. sij

    Excited to be a presenter at the London meetup next week! Come for the talks (or for the beer or the food)!

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  19. proslijedio/la je Tweet
    22. sij

    Folks! I'm happy to share what we've been working on: 📣 Playwright is like Puppeteer, but cross-browser.

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  20. proslijedio/la je Tweet
    22. sij
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