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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. Gorgi Kosev‏ @spion Jan 13
      Replying to @wycats @lucasazzola and

      I would probably initialise those to `undefined` explicitly and use a noUninitializedClassFields linter rule. Hope that typed dialects could take advantage of the type declaration to do better ASI without requiring initialisation.

      2 replies 0 retweets 0 likes
    2. Yehuda Katz  🥨‏Verified account @wycats Jan 13
      Replying to @spion @lucasazzola and

      Would users of standard accept this compromise? /cc @feross It's not ridiculous and I'd be willing to give it a try at TC39. Aside: we need more representation from users of this style on TC39.

      3 replies 0 retweets 0 likes
    3. Daniel Ehrenberg‏ @littledan Jan 13
      Replying to @wycats @spion and

      I don't really understand. We decided to support ASI in field initializers fully specifically to support demands for this behavior from people who use the no semicolon style. Would that group prefer to be forced to use semicolons to avoid creating new ASI hazards?

      2 replies 0 retweets 2 likes
    4. Daniel Ehrenberg‏ @littledan Jan 13
      Replying to @littledan @wycats and

      We came to this decision partly because we do have some representation on the committee from no semicolon programmers, e.g. @Keithamus

      1 reply 0 retweets 0 likes
    5. Keith Cirkel‏ @Keithamus Jan 13
      Replying to @littledan @wycats and

      This is correct, and my objection was on the grounds that (barring straight for loops) semis are not a _required_ part of syntax. Saying semis should be required without initialisers, but not required with them seems like a worse decision though

      2 replies 0 retweets 1 like
    6. BrendanEich‏Verified account @BrendanEich Jan 13
      Replying to @Keithamus @littledan and

      Is the without-init/not-with-init requirement a serious proposal or a strawman? That is not a proposal of the "ASI applies in class bodies" or "ASI does not apply in class bodies" form.

      1 reply 0 retweets 0 likes
    7. Yehuda Katz  🥨‏Verified account @wycats Jan 13
      Replying to @BrendanEich @Keithamus and

      It's a serious proposal, but unsure if it has legs. It allows broad use of no-semis with a small additional restriction for unusual cases. Not so different from other standardjs mitigations like requiring {} for if() etc.

      1 reply 0 retweets 0 likes
    8. BrendanEich‏Verified account @BrendanEich Jan 13
      Replying to @wycats @Keithamus and

      I need to see a spec. On usability front it does not seem that helpful if semi required w/o init.

      1 reply 1 retweet 0 likes
    9. Daniel Ehrenberg‏ @littledan Jan 14
      Replying to @BrendanEich @wycats and

      There are new ASI hazards even with initializers, e.g., when preceding a generator method.

      2 replies 0 retweets 0 likes
    10. BrendanEich‏Verified account @BrendanEich Jan 14
      Replying to @littledan @wycats and

      Yes, I agree. I don't see the point in splitting the rules up depending on presence of initializer. Standard.js can use newline sensitivity to protect if ASI; or TC39 could carve out ASI-off in class body. No third way.

      1 reply 0 retweets 0 likes
      Yehuda Katz  🥨‏Verified account @wycats Jan 14
      Replying to @BrendanEich @littledan and

      Computed properties in class bodies make the calculus a little different for @StandardJS - much harder to say "don't do that" when they're needed for symbol based protocols.

      7:44 AM - 14 Jan 2018
      1 reply 0 retweets 0 likes
        1. New conversation
        2. Gorgi Kosev‏ @spion Jan 14
          Replying to @wycats @BrendanEich and

          Computed propreties don't complicate the basic no-semi rules. But StandardJS *will* have to be updated to recommend ; prefix in those cases.

          1 reply 0 retweets 0 likes
        3. Yehuda Katz  🥨‏Verified account @wycats Jan 14
          Replying to @spion @BrendanEich and

          Part of the reason the ; prefix looks ok in other contexts is that it's rare and people code around having to do it. It's a little ironic that "semi-free" style turns the starting token for computed properties into ";["

          1 reply 0 retweets 0 likes
        4. Drew Hamlett‏ @drewhamlett Jan 14
          Replying to @wycats @spion and

          To me this just doesn't comes up in code solving business problems. I've always looked at classes and all the additions(private / public) as library author things, which I'm not doing. The extent I use classes and class properties is literally just React.

          2 replies 0 retweets 0 likes
        5. Yehuda Katz  🥨‏Verified account @wycats Jan 14
          Replying to @drewhamlett @spion and

          I could believe that no-semi style overlaps a lot with not using classes or avoided new class features.

          1 reply 0 retweets 0 likes
        6. Drew Hamlett‏ @drewhamlett Jan 14
          Replying to @wycats @spion and

          I previously used Mobx a lot where you reach for classes(decorators also) to solve a lot of problems, and this just never came up honestly.pic.twitter.com/dcQNqKp11p

          1 reply 0 retweets 0 likes
        7. Yehuda Katz  🥨‏Verified account @wycats Jan 14
          Replying to @drewhamlett @spion and

          This code is pretty :)

          1 reply 0 retweets 0 likes
        8. Drew Hamlett‏ @drewhamlett Jan 14
          Replying to @wycats @spion and

          Thanks, now think of how it would be ruined with semi colons. 😉

          1 reply 0 retweets 0 likes
        9. Yehuda Katz  🥨‏Verified account @wycats Jan 14
          Replying to @drewhamlett @spion and

          Eh. As a Ruby and JS programmer, I get used to the "look" of code in different languages. I don't necessarily mind the semicolons but I also don't mind people using tools that make no-semi style work well for them.

          1 reply 0 retweets 0 likes
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