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LibWeb: Serialize custom properties in CSSStyleDeclaration::serialized()

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Prior to this commit, PropertyOwningCSSStyleDeclaration::serialized()
did not include custom properties, which lead to an incomplete
`cssRule.cssText` result.
This commit makes that class also serialize the custom properties and
place them before the regular properties in the rule text.
This commit is contained in:
Ali Mohammad Pur 2023-06-09 02:08:11 +03:30 • committed by Sam Atkins
parent f95ed9f373
commit 141143a1c6
3 changed files with 70 additions and 0 deletions
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15
Tests/LibWeb/Text/input/css/PropertyOwningCSSStyleDeclaration-serialized-custom-properties.html Normal file
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@ -0,0 +1,15 @@
<script src="../include.js"></script>
<script>
test(() => {
let styleNode = document.createElement("style");
styleNode.innerText = `
test {
--color: red;
color: red;
}
`;
document.head.appendChild(styleNode);
const sheet = styleNode.sheet;
println(sheet.cssRules[0].cssText);
});
</script>