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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 15 Oct 2019
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      I haven't posted anything about Rome in a while so here is what I worked on this evening. These are more error messages. It's obviously not all I'm working on but it's the easiest thing to tweet and discuss.

      2 replies 0 retweets 34 likes
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    2. Sebastian‏Verified account @sebmck 15 Oct 2019
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      I have developed a vendetta against poor error messages. I have discovered that validating input like: function isValid(input: string): boolean; Is almost always bad. function getInvalidRange(input: string): undefined | [number, number]; Is way better.

      2 replies 3 retweets 25 likes
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    3. Sebastian‏Verified account @sebmck 15 Oct 2019
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      What does that actually mean? Actually pointing to the specific range and location of invalid input rather than "there is an error in here somewhere".

      1 reply 0 retweets 5 likes
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    4. Sebastian‏Verified account @sebmck 15 Oct 2019
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      Rome ingests package.json files and performs some normalization and validation. One of the fields is name. When you use a package.json name in npm or yarn that is invalid, it will just yell at you. Rome points to the exact location with some possible hints. Examples:

      1 reply 0 retweets 4 likes
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    5. Sebastian‏Verified account @sebmck 15 Oct 2019
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      pic.twitter.com/mMuAk708s8

      2 replies 0 retweets 16 likes
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      Sebastian‏Verified account @sebmck 15 Oct 2019
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      pic.twitter.com/ETW8qukfaF

      11:22 PM - 15 Oct 2019
      • 8 Likes
      • Scott Ball razh Kashyap telmen Nick Ribal @ 🇪🇸 Rafa Yepes Rainer Martínez Nicholas Whittaker
      1 reply 0 retweets 8 likes
        1. Sebastian‏Verified account @sebmck 15 Oct 2019
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          These errors aren't generated until after either. The validation logic actually does some rough "autofixing". It would be possible to have a flag that suppresses the errors and writes the normalized fixed version to disk. Super nuanced and hard UX though to implement.

          2 replies 0 retweets 10 likes
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