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sebmck's profile
Sebastian
Sebastian
Sebastian
Verified account
@sebmck

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SebastianVerified account

@sebmck

JavaScript boy and “lovely thoughtleader” ⌨️ he/him ♂️

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Joined April 2011

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    Sebastian‏Verified account @sebmck 27 Feb 2019
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    Has anyone ever found a good use for ES2015 object super? eg. ({ foobar() { super.foobar(); }, __proto__: obj, }) I've never seen it used once and feels like an unnecessary addition to the language.

    1:04 PM - 27 Feb 2019
    • 3 Retweets
    • 51 Likes
    • Bayo anjan kumar Aaron Abramov Matt Hamlin Matthew Phillips dee Yeison Daza 🍉 Satyajit Sahoo 김지현
    17 replies 3 retweets 51 likes
      1. Sebastian‏Verified account @sebmck 27 Feb 2019
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        "All of ES2015 was an unnecessary addition to the language" ok buddy, move along

        2 replies 0 retweets 64 likes
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      2. Jordan Harband‏ @ljharb 28 Feb 2019
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        Replying to @sebmck

        it was/could be more useful when there was a way to change/set the HomeObject of a method. It does seem pretty weird tho, still.

        2 replies 0 retweets 3 likes
      3. Sebastian‏Verified account @sebmck 28 Feb 2019
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        Replying to @ljharb

        Any idea who I could bug to find the rationale, or meeting notes? I’m curious to see the history since I trust there’s a good reason.

        1 reply 0 retweets 2 likes
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      2. Ben Lesh‏ @BenLesh 27 Feb 2019
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        Replying to @sebmck

        I'd wager most people didn't even consider you could do that (I know I hadn't). Was it spec'ed specifically for that, or is it a side-effect of the addition of `super` on top of some other semantic?

        1 reply 0 retweets 1 like
      3. Sebastian‏Verified account @sebmck 27 Feb 2019
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        Replying to @BenLesh

        No idea! Fairly sure it’s specifically specced. It’s so awkward to use since changing the prototype of objects isn’t very ergonomic, and is pretty frowned upon.

        1 reply 0 retweets 3 likes
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      2. cartoon villainess‏ @caitp88 27 Feb 2019
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        Replying to @sebmck

        are we talking about all super property references, or just in object literal methods? It potentially makes sense for some mixin uses in object methods, but idk

        1 reply 0 retweets 1 like
      3. Sebastian‏Verified account @sebmck 27 Feb 2019
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        Replying to @caitp88

        Just in object literal methods, I've never seen a legit use for it and seems like it complicates implementers lives

        1 reply 0 retweets 0 likes
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      2. Sebastian Markbåge‏ @sebmarkbage 27 Feb 2019
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        Replying to @sebmck

        I was looking into using them for the Prepack output in some edge cases but wasn’t super useful even then. Would’ve preferred a reflective API to create functions with new home objects. I think that’s generally the case. The declarative APIs are getting harder to patch/evolve.

        1 reply 1 retweet 9 likes
      3. Francisco Tolmasky‏ @tolmasky 27 Feb 2019
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        Replying to @sebmarkbage @sebmck

        Wasn’t super useful, heh.

        0 replies 0 retweets 7 likes
      4. End of conversation
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      2. Lily Scott  🏳️‍⚧️‏ @suchipi 27 Feb 2019
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        Replying to @sebmck

        I have been working on AST-related tooling for literally years and I am just now learning this is a thing

        1 reply 0 retweets 5 likes
      3. shawn swyx wang‏ @swyx 27 Feb 2019
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        Replying to @suchipi

        TIL too. seems unnecessary overloading given its a class keyword

        0 replies 0 retweets 1 like
      4. End of conversation

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