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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 5 Apr 2017
      Replying to @Rich_Harris @AdamRackis

      JSX transpiles to human writable public API. It's a 1-to-1 conversion. Also, DSL is hard to define making it hard to say why it is or isn't!

      2 replies 0 retweets 11 likes
    2. Rich Harris‏Verified account @Rich_Harris 5 Apr 2017
      Replying to @ryanflorence @AdamRackis

      The mechanics of it aren't the bit I'm interested in (though they are interesting). I'd be dubious of any DSL definition that excluded JSX!

      1 reply 0 retweets 4 likes
    3. Ryan Florence‏ @ryanflorence 5 Apr 2017
      Replying to @Rich_Harris @AdamRackis

      it's a different syntax to call a function, hardly qualifies as a different language, no?

      3 replies 0 retweets 6 likes
    4. jordwalke‏ @jordwalke 5 Apr 2017
      Replying to @ryanflorence @Rich_Harris @AdamRackis

      JSX could be lifted entirely into the editor. You could write R.createElem(F, {}) and then when I open it in Vim, I could see <F />.

      2 replies 2 retweets 15 likes
    5. jordwalke‏ @jordwalke 5 Apr 2017
      Replying to @jordwalke @ryanflorence and

      I think the definition of "Language" should exclude anything for which that is possible.

      4 replies 0 retweets 5 likes
    6. Yehuda Katz  🥨‏Verified account @wycats 5 Apr 2017
      Replying to @jordwalke @ryanflorence and

      I don't understand what this could possibly mean.

      3 replies 0 retweets 6 likes
    7. jordwalke‏ @jordwalke 5 Apr 2017
      Replying to @wycats @ryanflorence and

      Means I don't see new concrete syntax that has with 1-1 mapping to old syntax as "language".

      2 replies 0 retweets 1 like
    8. Yehuda Katz  🥨‏Verified account @wycats 5 Apr 2017
      Replying to @jordwalke @ryanflorence and

      Does that mean that arrow functions aren't a language feature?

      4 replies 0 retweets 7 likes
    9. Adam Rackis‏ @AdamRackis 5 Apr 2017
      Replying to @wycats @jordwalke and

      The missing context is, "what constitutes a DSL?"

      3 replies 0 retweets 0 likes
    10. Yehuda Katz  🥨‏Verified account @wycats 5 Apr 2017
      Replying to @AdamRackis @jordwalke and

      I think it's pretty clear that JSX is a "language feature" just like ES6 classes, arrows and destructuring are language features

      1 reply 0 retweets 6 likes
      Yehuda Katz  🥨‏Verified account @wycats 5 Apr 2017
      Replying to @wycats @AdamRackis and

      it's also false (and somewhat insulting) to claim that JSX has always compiled to the same JS. There's some platonic JS, and then reality.

      10:38 PM - 5 Apr 2017
      • 1 Like
      • Matthew Phillips
      3 replies 0 retweets 1 like
        1. New conversation
        2. Adam Rackis‏ @AdamRackis 5 Apr 2017
          Replying to @wycats @jordwalke and

          "Compiled to the same js" - sorry - can you clarify?

          1 reply 0 retweets 0 likes
        3. Yehuda Katz  🥨‏Verified account @wycats 5 Apr 2017
          Replying to @AdamRackis @jordwalke and

          Sorry, I replied to a different thread with https://github.com/facebook/react/issues/3226 …. React has felt free to change the semantics of the output JS.

          1 reply 0 retweets 6 likes
        4. Yehuda Katz  🥨‏Verified account @wycats 5 Apr 2017
          Replying to @wycats @AdamRackis and

          Stuff like this https://github.com/jridgewell/babel-plugin-transform-incremental-dom …, which the JSX community seems to think is fine, is also another JS output.

          1 reply 0 retweets 2 likes
        5. Yehuda Katz  🥨‏Verified account @wycats 5 Apr 2017
          Replying to @wycats @AdamRackis and

          I totally get why people like JSX, but the mysticism around it is pretty silly and makes cross-pollination and understanding more difficult.

          4 replies 5 retweets 17 likes
        6. jordwalke‏ @jordwalke 5 Apr 2017
          Replying to @wycats

          @BrendanEich @AdamRackis @ryanflorence @Rich_Harris Mysticism is furthered by considering it anything other than superficial syntax.

          2 replies 0 retweets 7 likes
        7. Yehuda Katz  🥨‏Verified account @wycats 5 Apr 2017
          Replying to @jordwalke @BrendanEich and

          Nah, the mysticism is precisely treating it as simple sugar, when in practice much of the work of React is squinting at it differently.

          1 reply 0 retweets 2 likes
        8. jordwalke‏ @jordwalke 5 Apr 2017
          Replying to @wycats @BrendanEich and

          Maybe there's some plans or goals I'm not privy to. 🙁 Why am I always the last to be invited into the conspiracy?pic.twitter.com/jZu4JLLZpQ

          1 reply 0 retweets 11 likes
        9. jordwalke‏ @jordwalke 5 Apr 2017
          Replying to @jordwalke @wycats and

          This will forever be how I think about, and encourage use of JSX. Anything else including framework compilers is wildly unappealing to me.

          2 replies 0 retweets 7 likes
        10. 9 more replies
        1. Ryan Florence‏ @ryanflorence 6 Apr 2017
          Replying to @wycats @AdamRackis and

          Insulting? Are you serious?

          0 replies 0 retweets 2 likes
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        1. jordwalke‏ @jordwalke 5 Apr 2017
          Replying to @wycats @AdamRackis and

          Did I claim that JSX has always transformed to the same JS? That would be a false claim. A 1-1 transform needn't be locked for all time.

          0 replies 0 retweets 2 likes
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