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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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    1. Sebastian‏Verified account @sebmck 20 Mar 2019
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      This is a collection of my tweets over the past ~2 years about a project I've been working on. Time and work fluctuated over that period. It was called Sonic, then Hydra. Now it's called Rome. It's a JavaScript toolchain. It has zero dependencies, every thing is custom.

      17 replies 102 retweets 595 likes
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    2. Harry Solovay‏ @harrysolovay 13 May 2019
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      Replying to @sebmck

      Will the RomeJS compiler be pluggable like Babel's. And if so, how will the DX differ? There are some cool challenges, such as referencing the ASTs of other files. Also, directly mutating nodes often gets their paths out of sync. How do you safeguard against this in RomeJS?

      1 reply 0 retweets 0 likes
    3. Sebastian‏Verified account @sebmck 13 May 2019
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      Replying to @harrysolovay

      Any pluggable interface would likely be very limited to basic AST transforms. Anything more complicated should exist inside of Rome.

      1 reply 0 retweets 2 likes
    4. Harry Solovay‏ @harrysolovay 13 May 2019
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      Replying to @sebmck

      Very excited to see RomeJS then! What kinds of more complicated transforms are you hoping RomeJS will enable?

      1 reply 0 retweets 0 likes
    5. Sebastian‏Verified account @sebmck 13 May 2019
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      Replying to @harrysolovay

      Constant folding and inlining would be the big ones. Depends on how sophisticated any static analysis is and how performantely we can get it working

      1 reply 0 retweets 1 like
    6. Harry Solovay‏ @harrysolovay 13 May 2019
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      Replying to @sebmck

      Definitely tough to do too much, given the constraints of development environments. Does any of the work done on Prepack lend itself to RomeJS’ linting? I’d imagine a good partial interpreter could go a long way towards making JS code less vulnerable

      1 reply 0 retweets 0 likes
      Sebastian‏Verified account @sebmck 13 May 2019
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      Replying to @harrysolovay

      Probably not. Prepack is essentially all ot nothing, and the model doesn't lead to something productionizable. You want something that can compile concurrently, which it can't do. Better off with type information, a control flow graph and some manual transforms

      6:33 PM - 13 May 2019
      1 reply 0 retweets 0 likes
        1. New conversation
        2. Harry Solovay‏ @harrysolovay 13 May 2019
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          Replying to @sebmck

          Do you see any shortcomings of a concurrent approach?

          1 reply 0 retweets 0 likes
        3. Sebastian‏Verified account @sebmck 13 May 2019
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          Replying to @harrysolovay

          Nope. It’s essential for performance, and thinking about each specific step of the analysis as a cachable artifact, makes concurrency easy since you can easily pass it around etc

          1 reply 0 retweets 0 likes
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