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wycats's profile
Yehuda Katz 🥨
Yehuda Katz 🥨
Yehuda Katz  🥨
Verified account
@wycats

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Yehuda Katz  🥨Verified account

@wycats

Tilde Co-Founder, OSS enthusiast and world traveler.

Portland, OR
yehudakatz.com
Joined August 2007

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    1. Adam Rackis‏ @AdamRackis 15 Aug 2017
      Replying to @dan_abramov

      No I'm almost certain that's wrong. Class decorators are just about the same as they were, except now take a second arg.

      1 reply 0 retweets 2 likes
    2. Adam Rackis‏ @AdamRackis 15 Aug 2017
      Replying to @AdamRackis @dan_abramov

      Sadly @nzgb doesn't explicitly say it, but I'm pretty sure you can just return a new classpic.twitter.com/Pd1rCh6kX7

      2 replies 0 retweets 1 like
    3. Dan Abramov‏ @dan_abramov 15 Aug 2017
      Replying to @AdamRackis @nzgb

      cc @wycats, curious if you could clarify this! I’m getting lost. Is Klass => Klass still a valid decorator?

      2 replies 0 retweets 2 likes
    4. Yehuda Katz  🥨‏Verified account @wycats 15 Aug 2017
      Replying to @dan_abramov @AdamRackis @nzgb

      No. We moved to descriptor, which gives a lot more power (without too much complexity) but isn't quite that simple.

      2 replies 0 retweets 1 like
    5. Adam Rackis‏ @AdamRackis 15 Aug 2017
      Replying to @wycats @dan_abramov @nzgb

      But you can still do Class => { * mutate Class * //return undefined } right?

      1 reply 0 retweets 0 likes
    6. Adam Rackis‏ @AdamRackis 15 Aug 2017
      Replying to @AdamRackis @wycats and

      Ugh all my `@connect` calls in react-redux will break 😫

      1 reply 0 retweets 0 likes
    7. Yehuda Katz  🥨‏Verified account @wycats 15 Aug 2017
      Replying to @AdamRackis @dan_abramov and

      But your usage won't. You'll just have to change the decorator once.

      2 replies 0 retweets 0 likes
    8. Yehuda Katz  🥨‏Verified account @wycats 15 Aug 2017
      Replying to @wycats @AdamRackis and

      You don't mutate the class, you supply additional members, which get added. It's not that bad. I should write a microsite.

      3 replies 0 retweets 2 likes
    9. Dan Abramov‏ @dan_abramov 15 Aug 2017
      Replying to @wycats @AdamRackis and

      In case of connect() it returns a different class altogether (as common for HOCs).

      2 replies 0 retweets 1 like
    10. Yehuda Katz  🥨‏Verified account @wycats 15 Aug 2017
      Replying to @dan_abramov @AdamRackis and

      You can probably accomplish your use case with class finishers, but @littledan and I recently changed the spec to require a subclass iirc

      1 reply 0 retweets 0 likes
      Yehuda Katz  🥨‏Verified account @wycats 15 Aug 2017
      Replying to @wycats @dan_abramov and

      We should look at this use case to see if "constructor replacement" is a feature we need to add back.

      9:31 AM - 15 Aug 2017
      • 4 Likes
      • Jiří Špác Jay Phelps Jeremy Gayed 🤓 sid 🏠
      4 replies 0 retweets 4 likes
        1. New conversation
        2. Adam Rackis‏ @AdamRackis 15 Aug 2017
          Replying to @wycats @dan_abramov and

          By that do you mean returning a NEW constructor? ie `Class => class extends Class{}`? If so yeah, that would be incredibly handy.

          2 replies 0 retweets 0 likes
        3. Dan Abramov‏ @dan_abramov 15 Aug 2017
          Replying to @AdamRackis @wycats and

          That's not what HOCs do though. They return a completely different class.

          1 reply 0 retweets 3 likes
        4. Adam Rackis‏ @AdamRackis 15 Aug 2017
          Replying to @dan_abramov @wycats and

          Right Class => class extends Class ie they return a NEW class, like connect. Did you reply to the wrong tweet? :)

          1 reply 0 retweets 0 likes
        5. Adam Rackis‏ @AdamRackis 15 Aug 2017
          Replying to @AdamRackis @dan_abramov and

          Ah sure. Doesn't *have to* be Class => class extends Class could just be Class => class { /* somehow ref Class */ } either way - NEW class

          1 reply 0 retweets 2 likes
        6. Adam Rackis‏ @AdamRackis 15 Aug 2017
          Replying to @AdamRackis @dan_abramov and

          Corollary to the above: this would be a massive breaking change to not only stage 1, but also TypeScript class decorators.

          1 reply 0 retweets 2 likes
        7. Yehuda Katz  🥨‏Verified account @wycats 15 Aug 2017
          Replying to @AdamRackis @dan_abramov and

          Let's take this off Twitter. I approved the change because I didn't know the use case.

          1 reply 0 retweets 4 likes
        8. Adam Rackis‏ @AdamRackis 15 Aug 2017
          Replying to @wycats @dan_abramov and

          I'm happy to help in any way I can, wherever :) just let me know

          1 reply 0 retweets 1 like
        9. Daniel Ehrenberg‏ @littledan 15 Aug 2017
          Replying to @AdamRackis @wycats and

          This use case sounds pretty valid. Wanna file a bug at https://github.com/littledan/proposal-unified-class-features/issues … to track removal of the unnecessary check?

          1 reply 0 retweets 2 likes
        10. 12 more replies
        1. Yehuda Katz  🥨‏Verified account @wycats 15 Aug 2017
          Replying to @wycats @dan_abramov and

          You can always use a function, but I'd like decorators to largely satisfy the use cases of HOCs

          0 replies 0 retweets 0 likes
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        2. Jeremy Gayed  🤓‏ @tizmagik 5 Sep 2017
          Replying to @wycats @dan_abramov and

          Following up here -- is there any update on this discussion (constructor replacement) or somewhere I can follow the discussion? 🙏 @wycats

          1 reply 0 retweets 1 like
        3. Daniel Ehrenberg‏ @littledan 6 Sep 2017
          Replying to @tizmagik @wycats and

          I can't speak for @wycats, but I believe all decorators proposals allow constructor replacement. The only question is, how ergonomically?

          2 replies 0 retweets 1 like
        4. Adam Rackis‏ @AdamRackis 6 Sep 2017
          Replying to @littledan @tizmagik and

          I believe he said the current proposal requires changes (being worked on) for total replacement.

          2 replies 0 retweets 0 likes
        5. Daniel Ehrenberg‏ @littledan 6 Sep 2017
          Replying to @AdamRackis @tizmagik and

          Replacement has a subclass check. Should I eliminate that? Are there other changes to make?

          1 reply 0 retweets 1 like
        6. Adam Rackis‏ @AdamRackis 6 Sep 2017
          Replying to @littledan @tizmagik and

          Yes definitely. Existing things like @observer spit back a totally different class.

          2 replies 0 retweets 0 likes
        7. Daniel Ehrenberg‏ @littledan 6 Sep 2017
          Replying to @AdamRackis @tizmagik and

          Having trouble understanding; doesn't this spit back a different function or the same class?https://github.com/mobxjs/mobx-react/blob/master/src/observer.js#L274 …

          1 reply 0 retweets 0 likes
        8. Adam Rackis‏ @AdamRackis 6 Sep 2017
          Replying to @littledan @tizmagik and

          If I'm understanding correctly, that always winds up here. Note the resulting class Injector does not extend orighttps://github.com/mobxjs/mobx-react/blob/master/src/inject.js#L34 …

          1 reply 0 retweets 0 likes
        9. Adam Rackis‏ @AdamRackis 6 Sep 2017
          Replying to @AdamRackis @littledan and

          /cc @mweststrate - Dan is asking about your observer decorator.

          2 replies 0 retweets 0 likes
        10. 4 more replies
        1. Daniel Ehrenberg‏ @littledan 15 Aug 2017
          Replying to @wycats @dan_abramov and

          Constructor replacement is done in the finisher in the new design. It would be really easy to remove the subclass check.

          0 replies 0 retweets 0 likes
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