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LibWeb: Don't mark mask-type as list-valued

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This is distinct from the other `mask-*` properties and is not a
longhand of `mask`, and is thus not a coordinating value list longhand
This commit is contained in:
Callum Law 2025-12-02 23:56:17 +13:00 • committed by Sam Atkins
parent 4034ce995a
commit 758432c1cd
Notes: github-actions[bot] 2025-12-02 12:15:41 +00:00
3 changed files with 15 additions and 1 deletions
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2
Libraries/LibWeb/CSS/Properties.json
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@ -2799,7 +2799,7 @@
"animation-type": "discrete", "animation-type": "discrete",
"inherited": false, "inherited": false,
"affects-layout": false, "affects-layout": false,
"multiplicity": "coordinating-list", "multiplicity": "single",
"valid-types": [ "valid-types": [
"mask-type" "mask-type"
], ],

1
Tests/LibWeb/Text/expected/css/typed-om-mask-type-not-list-valued.txt Normal file
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@ -0,0 +1 @@
PASS!

13
Tests/LibWeb/Text/input/css/typed-om-mask-type-not-list-valued.html Normal file
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@ -0,0 +1,13 @@
<!DOCTYPE html>
<div id="foo"></div>
<script src="../include.js"></script>
<script>
test(() => {
try {
foo.attributeStyleMap.set("mask-type", new CSSKeywordValue("luminance"), new CSSKeywordValue("alpha"));
println("FAIL! Shouldn't allow setting multiple values for mask-type");
} catch {
println("PASS!");
}
});
</script>