justjavac

@justjavac

Creator of vscode-deno. Currently a contributor to Deno .

China
Joined May 2009

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  1. Retweeted
    Apr 8

    v0.40.0 released with a lot of improvements to 'deno doc' and a couple other improvements. Read the full change log:

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  2. Retweeted
    Mar 30

    Deno 1.0 will be released May 13, 2020. We have achieved all of the major features and will be polishing and correcting APIs until then. Please open an issue now if there is an API that needs to be corrected.

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  3. Retweeted
    Mar 23

    v0.37.0 released with a rewrite of the test runner, the addition of the "deno upgrade" subcommand, and many bug fixes. Download it here:

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  4. Retweeted
    Jan 5

    Deno is now using our new rusty_v8 crate in the master branch. rusty_v8 is mature enough to pass the Deno test suite.

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  5. 17 Nov 2019
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  6. 8 Oct 2019
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  7. 3 Sep 2019
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  8. Retweeted
    28 Aug 2019

    👻 Recently, React core hit a scary V8 performance cliff. Here’s a technical deep dive explaining what happened behind the scenes in V8, and how we fixed it!

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  9. 9 Aug 2019
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  10. Retweeted
    30 Jul 2019

    We’re busy preparing React 16.9, and would appreciate if you could test it in your app and report problems. Warning: there might be bugs! The temporary version to try is "0.0.0-db3ae32b8" (for all React packages). Thank you!

        // 😍 help test React 16.9 early 😍

    "react": "0.0.0-db3ae32b8",
    "react-dom": "0.0.0-db3ae32b8",
    "react-test-renderer": "0.0.0-db3ae32b8",
    
    // 😱 not a stable release yet 😱
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  11. 23 Jul 2019
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  12. Retweeted
    15 Jul 2019
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  13. Retweeted
    9 Jul 2019

    🔥 Weak references and finalizers are (finally) coming to JavaScript! and explain:

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  14. Retweeted
    1 Jul 2019
    Replying to

    I read Emscripten as ecmascript 🤦‍♂️

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  15. Retweeted
    25 Jun 2019

    🚀 Perf tip: if your web app ships large JSON-like configuration as JavaScript object literals, consider using JSON.parse instead. It’s much faster, especially for cold loads!

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  16. Retweeted
    12 Jun 2019

    You might already know about ➡️ Promise.all ➡️ Promise.race But did you know that two new promise combinators are coming to JavaScript? ➡️ Promise.allSettled (shipping in Chrome 76) ➡️ Promise.any Here’s an explanation of all four combinators:

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  17. Retweeted
    9 May 2019

    🔥 What’s new in JavaScript and ? Check out and ’s presentation to find out!

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  18. Retweeted
    6 May 2019

    Congratulations to our friends at Microsoft for launching React Native Windows 💫

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  19. Retweeted
    8 Apr 2019

    🔥 (Byte)code caching reduces the start-up time of commonly visited websites by caching the result of JavaScript parsing + compilation. How can JavaScript developers get the most out of code caching in ? explains:

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  20. Retweeted
    30 Mar 2019

    🔥 deno comes with some amazing development tools. They’re useful even if you don’t build deno apps! For example, to print a JavaScript module’s dependency tree: $ deno --info main.mjs It even works with URLs instead of local file paths! 🤯

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