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LibWeb: Inherit CSS variables across shadow boundaries

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This fixes a bunch of issues on https://wpt.fyi/
This commit is contained in:
Andreas Kling
2024-07-25 21:04:39 +02:00
committed by Andreas Kling
parent cf6929fef3
commit de2b9eebe6
Notes: github-actions[bot] 2024-07-25 19:39:22 +00:00 
Author: https://github.com/awesomekling
Commit: https://github.com/LadybirdBrowser/ladybird/commit/de2b9eebe60
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/835
3 changed files with 22 additions and 1 deletions
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20
Tests/LibWeb/Text/input/ShadowDOM/css-variable-inheritance-across-shadow-boundary.html Normal file
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<style>
:root {
--foo: green;
}
</style>
<div id="myShadowHost">
<template shadowrootmode="open">
<style>
span { color: var(--foo, red); }
</style>
<span>green</span>
</template>
</div>
<script src="../include.js"></script>
<script>
test(() => {
let span = myShadowHost.shadowRoot.firstElementChild.nextElementSibling;
println(getComputedStyle(span).color);
});
</script>