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mathias's profile
Mathias Bynens
Mathias Bynens
Mathias Bynens
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@mathias

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Mathias BynensVerified account

@mathias

I work on @ChromeDevTools & @v8js at Google and on ECMAScript through TC39. ♥ JavaScript, HTML, CSS, HTTP, performance, security, Bash, Unicode, i18n, macOS.

Munich, Germany
mths.be
Joined January 2007

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    1. Justin Fagnani‏ @justinfagnani 13 Feb 2019
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      • Report NetzDG Violation

      I don't understand what actual concrete benefit there is to using .mjs on client-side JavaScript modules. It seems to only cause problems with tools that .js completely avoids. What's the specific upside?

      18 replies 1 retweet 45 likes
    2. sMyle‏Verified account @MylesBorins 13 Feb 2019
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      Replying to @justinfagnani

      Python mime type server now recognizes mjs Moving forward through ietf process. Primary value imho is an easy to identify out of band mechanism that is cross platform.

      1 reply 0 retweets 8 likes
    3. Justin Fagnani‏ @justinfagnani 13 Feb 2019
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      Replying to @MylesBorins

      What's the real concrete benefit today though? Is there something that works now if you use .mjs vs .js? Seems like there's only downsides right now.

      3 replies 0 retweets 7 likes
    4. sMyle‏Verified account @MylesBorins 13 Feb 2019
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      Replying to @justinfagnani

      Write a module that "just works" in browser and node (assuming compatible tool chain for dev server) Visual identifier in source tree that file is module without looking at source

      1 reply 0 retweets 3 likes
    5. Justin Fagnani‏ @justinfagnani 13 Feb 2019
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      Replying to @MylesBorins

      For client-side modules, the first point doesn't matter. Plus Node doesn't yet support even .mjs modules, right? For the second point *all* my JS is modules. I bet this is true of a huge number of projects already, and files only become non-modules when run through a bundler.

      1 reply 0 retweets 8 likes
    6. sMyle‏Verified account @MylesBorins 13 Feb 2019
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      Replying to @justinfagnani

      Shruggie You do you. I want node as a platform to have mechanisms that allow people to write code the way they want to I think mjs has value, but don't want you to be forced to use it if you don't want to. Don't think these things need be mutually exclusive

      3 replies 0 retweets 7 likes
    7. Justin Fagnani‏ @justinfagnani 13 Feb 2019
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      Replying to @MylesBorins

      Sure, I usually do :) But I'm not talking about Node, just the browser. I see people using .mjs today, then hitting problems. .js just avoids all the problems.

      3 replies 0 retweets 6 likes
    8. xnoɹǝʃ uɐıɹq‏ @brianleroux 14 Feb 2019
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      Replying to @justinfagnani @MylesBorins

      what are the problems w using it in browser? (we do today without issue but I'm certain I've missed something)

      1 reply 0 retweets 1 like
    9. Justin Fagnani‏ @justinfagnani 14 Feb 2019
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      Replying to @brianleroux @MylesBorins

      Many tools trip up on .mjs. It's like whack-a-mole trying to fix them all.

      3 replies 0 retweets 1 like
      Mathias Bynens‏Verified account @mathias 14 Feb 2019
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      Replying to @justinfagnani @brianleroux @MylesBorins

      I’d love to hear more about what’s broken, so I can help get these issues fixed.

      7:33 AM - 14 Feb 2019
      • 1 Like
      • sMyle
      0 replies 0 retweets 1 like

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