A tool set for working with with CSS including fast detailed parser, walker, generator and lexer based on knowledge of W3C specs and browser implementations

Joined September 2016
32 Photos and videos
18 Oct 2024
🚀 VSCode CSSTree validator v1.2 Now powered by CSSTree 3.0, featuring enhanced warnings for unknown properties, descriptors, and at-rules. Improved error highlighting makes catching CSS issues easier than ever. marketplace.visualstudio.com…
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18 Oct 2024
🚀 CSSTree validator v4.0 Now powered by the latest CSSTree 3.0, featuring enhanced support for modern CSS syntax. Check it out! github.com/csstree/validator
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12 Sep 2024
🚀 CSSTree 3.0 is here! Featuring support for modern at-rules, improvements to query-related at-rules, spec alignments, other enhancements and bug fixes, and more. Release notes: github.com/csstree/csstree/r…
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csstree retweeted
I've just contributed to @csstree. Consider supporting them too — every little helps! opencollective.com/csstree via @opencollect
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15 Dec 2021
Looks like CSSTree's definition syntax matching with an appropriate dictionary could be used for SVG attribute validation:
css-tree (npmjs.com/package/css-tree)を使うことによって、ここまで詳細に属性値の間違いを発見できるようになった。
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14 Dec 2021
⭐️ Updated CSS syntax reference to use latest CSSTree and mdn/data dictionaries csstree.github.io/docs/synta…
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csstree retweeted
📦 Package of the Day css-tree npmjs.com/package/css-tree CSSTree is a toolset for CSS; fast detailed parser, walker, generator and lexer (validation and matching) based on specs and browser implementations. #javascript #nodejs #npmPackageOfTheDay #100DaysOfCode
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csstree retweeted
CSSTree v2’s tokenizer is the absolute fastest, with a comfortable lead, and the semantically correct number of tokens. @rdvornov even fixed tests that inaccurately benchmarked CSSTree v1. Thank you, from the web. github.com/csstools/tokenize…
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20 Nov 2020
⭐️ Finally, CSSTree has been updated to 1.0 on astexplorer.net (astexplorer.net/#/gist/4a910…). It also has settings now! Kudos to @smelukov 🙏 (PR: github.com/fkling/astexplore…)

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19 Nov 2020
⭐️ Experimental CSSWG drafts index page was slightly refactored recently. It's page got a dark theme and is now automatically updated once a day. Feedback is highly appreciated! csstree.github.io/csswg-draf…
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19 Nov 2020
⭐️ CSSTree reference page has been updated to show at-rule related syntaxes by mdn/data, that's used in CSSTree for validation. Try it out:
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19 Nov 2020
Missed to add a link, fixing that: csstree.github.io/docs/synta…