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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. Ryan Florence‏ @ryanflorence 21 Sep 2017

      Saying inline functions in render is bad is like correcting somebody who said "who" to say "whom" when "who" was actually correct.

      11 replies 15 retweets 92 likes
      Show this thread
    2. Yehuda Katz  🥨‏Verified account @wycats 21 Sep 2017
      Replying to @ryanflorence

      As a person not in the react ecosystem, I don't understand this at all. Like, at all. Can you explain?

      2 replies 0 retweets 11 likes
    3. Yehuda Katz  🥨‏Verified account @wycats 21 Sep 2017
      Replying to @wycats @ryanflorence

      Not trolling in any way. Really confused and interested.

      2 replies 0 retweets 4 likes
    4. Joey Trapp‏ @joeytrapp 21 Sep 2017
      Replying to @wycats @ryanflorence

      I think the ember equivalent would be https://guides.emberjs.com/v2.15.0/components/block-params/ …. Rather than child nodes, you component gets a fn to call with args

      1 reply 0 retweets 0 likes
    5. Yehuda Katz  🥨‏Verified account @wycats 22 Sep 2017
      Replying to @joeytrapp @ryanflorence

      There's no direct equivalent of ^ in React, because no this.props.children(args)

      2 replies 0 retweets 0 likes
    6. Michiel Dral‏ @dralletje 22 Sep 2017
      Replying to @wycats @joeytrapp @ryanflorence

      `this.props.children(args)` is exactly what a lot of us are doing in React now, “func-as-child”

      1 reply 0 retweets 0 likes
    7. Yehuda Katz  🥨‏Verified account @wycats 22 Sep 2017
      Replying to @dralletje @joeytrapp @ryanflorence

      Can you show me what that looks like on the caller side?

      1 reply 0 retweets 0 likes
    8. Yehuda Katz  🥨‏Verified account @wycats 22 Sep 2017
      Replying to @wycats @dralletje and

      <Foo children={func} /> or something more clever?

      1 reply 0 retweets 0 likes
    9. Brandon Dail‏ @aweary 22 Sep 2017
      Replying to @wycats @dralletje and

      You can just pass the function inline as the childpic.twitter.com/DtP5Y4xbey

      1 reply 0 retweets 1 like
      Yehuda Katz  🥨‏Verified account @wycats 22 Sep 2017
      Replying to @aweary @dralletje and

      And if there's only one child this.props.children is the child? Or this.props.children[0]?

      12:12 PM - 22 Sep 2017
      1 reply 0 retweets 0 likes
        1. New conversation
        2. Brandon Dail‏ @aweary 22 Sep 2017
          Replying to @wycats @dralletje and

          Right, a single child would be available as this.props.children. You can use React.Children.only to ensure you only have a single child too

          1 reply 0 retweets 0 likes
        3. Yehuda Katz  🥨‏Verified account @wycats 22 Sep 2017
          Replying to @aweary @dralletje and

          Wouldn't it be more convenient to have direct syntax for this in JSX?

          2 replies 0 retweets 0 likes
        4. Joey Trapp‏ @joeytrapp 22 Sep 2017
          Replying to @wycats @aweary and

          I believe that is some people’s objection. Children as a function is not a valid type for children according to docs.

          1 reply 0 retweets 0 likes
        5. Ryan Florence‏ @ryanflorence 22 Sep 2017
          Replying to @joeytrapp @wycats and

          It's fine. People are just prematurely optimizing and its starting to spread. That's all.

          1 reply 0 retweets 3 likes
        6. Brandon Dail‏ @aweary 22 Sep 2017
          Replying to @ryanflorence @joeytrapp and

          Also, the docs explicitly state functions as children is a valid, seehttps://facebook.github.io/react/docs/jsx-in-depth.html#functions-as-children …

          2 replies 0 retweets 1 like
        7. Joey Trapp‏ @joeytrapp 22 Sep 2017
          Replying to @aweary @ryanflorence and

          Glad to see it officially supported. My only objection was what if it disappeared. Didn’t want to rely on an unsupported API/feature

          1 reply 0 retweets 0 likes
        8. Ryan Florence‏ @ryanflorence 22 Sep 2017
          Replying to @joeytrapp @aweary and

          children has always been "just a prop". What you put there doesn't matter. It's special because of its position in JSX (and createElement)

          2 replies 0 retweets 1 like
        9. Yehuda Katz  🥨‏Verified account @wycats 22 Sep 2017
          Replying to @ryanflorence @joeytrapp and

          I mean this usage is visually pretty noisy just to add a parameter to a callback. But whatever floats ppl's boats.

          1 reply 0 retweets 1 like
        10. 4 more replies

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