LibWeb: Parse the scroll-timeline-name CSS property

This commit is contained in:
Callum Law
2025-11-20 22:43:11 +13:00
committed by Sam Atkins
parent 826e947920
commit e95f326f3d
Notes: github-actions[bot] 2025-11-28 13:26:40 +00:00
9 changed files with 133 additions and 0 deletions

View File

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<!DOCTYPE html>
<link rel="help" href="https://drafts.csswg.org/scroll-animations-1/#scroll-timeline-name">
<script src="../../resources/testharness.js"></script>
<script src="../../resources/testharnessreport.js"></script>
<script src="../../css/support/computed-testcommon.js"></script>
</head>
<style>
#outer { scroll-timeline-name: --foo; }
#target { scroll-timeline-name: --bar; }
</style>
<div id="outer">
<div id="target"></div>
</div>
<script>
test_computed_value('scroll-timeline-name', 'initial', 'none');
test_computed_value('scroll-timeline-name', 'inherit', '--foo');
test_computed_value('scroll-timeline-name', 'unset', 'none');
test_computed_value('scroll-timeline-name', 'revert', 'none');
test_computed_value('scroll-timeline-name', 'none');
test_computed_value('scroll-timeline-name', '--foo');
test_computed_value('scroll-timeline-name', '--foo, --bar');
test_computed_value('scroll-timeline-name', '--bar, --foo');
test_computed_value('scroll-timeline-name', '--a, --b, --c, --D, --e');
test_computed_value('scroll-timeline-name', 'none, none');
test_computed_value('scroll-timeline-name', '--a, --b, --c, none, --d, --e');
test(() => {
let style = getComputedStyle(document.getElementById('target'));
assert_not_equals(Array.from(style).indexOf('scroll-timeline-name'), -1);
}, 'The scroll-timeline-name property shows up in CSSStyleDeclaration enumeration');
test(() => {
let style = document.getElementById('target').style;
assert_not_equals(style.cssText.indexOf('scroll-timeline-name'), -1);
}, 'The scroll-timeline-name property shows up in CSSStyleDeclaration.cssText');
</script>