LibWeb/CSS: Implement type(<syntax>) in attr()

This lets the `attr()` interpret the attribute's contents as an
arbitrary type instead of just as a string or number.
This commit is contained in:
Sam Atkins
2025-07-10 17:19:53 +01:00
committed by Tim Ledbetter
parent 0a5e8c2865
commit 27a666f3b2
Notes: github-actions[bot] 2025-07-16 13:48:58 +00:00
8 changed files with 204 additions and 105 deletions

View File

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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>CSS Values and Units Test: attr() in max()</title>
<meta name="assert" content="The attr() function notation is allowed inside a max() notation.">
<link rel="author" title="Fuqiao Xue" href="mailto:xfq@w3.org">
<link rel="help" href="https://drafts.csswg.org/css-values/#attr-notation">
<link rel="help" href="https://drafts.csswg.org/css-values/#calc-notation">
<link rel="match" href="../../../../expected/wpt-import/css/css-values/reference/200-200-green.html">
<style>
html, body { margin: 0px; padding: 0px; }
html { background: white; overflow: hidden; }
#outer { position: relative; background: green; }
#outer { width: max(attr(data-test type(<length>))); height: 200px; }
</style>
</head>
<body>
<div id="outer" data-test="200px"></div>
</body>
</html>