Fix parsing of srcset without whitespaces #11
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kevin940726
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sindresorhus
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sindresorhus
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Apr 18, 2021
index.js
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| @@ -1,6 +1,6 @@ | |||
| 'use strict'; | |||
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| const integerRegex = /^-?\d+$/; | |||
| const srcsetRegex = /\s*([^,]\S*[^,](?:\s+[^,]+)?)\s*(?:,|$)/; | |||
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Why such a complicated regex? If it really has to be like this, I would like to see a code comment that explains it.
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I renamed the regex to imageCandidateRegex to indicate that it matches loosely to an "image candidate string". It's the simplest way I can think of for now to solve the issue where there's no whitespace between two image candidate strings. I've included some comments above. Let me know if I can make it clearer!
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srcset without whitespaces like
banner-HD.jpeg 2x,banner-HD.jpeg 2x,banner-HD.jpeg 2x,banner-phone.jpeg 100w,http://site.com/image.jpg?foo=100w,lorem 1xcannot be parsed. I rewrote the split logic and refactor the code to match more closely to the spec. Below are some added rules:1xdescriptor.Also added some tests.