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LibWeb: Track whether HTMLLinkElement was enabled when created by parser

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This information is needed by the script-blocking style sheet logic, and
its absence was causing a WPT test to crash.
This commit is contained in:
Andreas Kling 2025-04-24 12:36:54 +02:00 • committed by Andreas Kling
commit e5d62e9915
Notes: github-actions[bot] 2025-04-24 16:28:25 +00:00
5 changed files with 45 additions and 3 deletions
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31
Tests/LibWeb/Text/input/wpt-import/css/cssom/HTMLLinkElement-disabled-003.html Normal file
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<!doctype html>
<title>&lt;link disabled&gt;'s "explicitly enabled" state persists after getting disconnected from the tree</title>
<link rel="author" title="Emilio Cobos Álvarez" href="mailto:emilio@crisal.io">
<link rel="author" title="Mozilla" href="https://mozilla.org">
<link rel="help" href="https://html.spec.whatwg.org/#attr-link-disabled">
<script src="../../resources/testharness.js"></script>
<script src="../../resources/testharnessreport.js"></script>
<link title="alt" rel="alternate stylesheet" disabled href="data:text/css,html { background: green }">
<script>
function assert_applies(applies) {
(applies ? assert_equals : assert_not_equals)(getComputedStyle(document.documentElement).backgroundColor, "rgb(0, 128, 0)");
}
const link = document.querySelector("link[disabled]");
async_test(function(t) {
assert_true(link.disabled);
link.disabled = false;
assert_false(link.disabled);
assert_true(!link.hasAttribute("disabled"));
link.remove();
link.onload = t.step_func_done(function() {
assert_equals(document.styleSheets.length, 1);
let sheet = document.styleSheets[0];
assert_equals(sheet.ownerNode, link);
assert_applies(true);
});
document.head.appendChild(link);
}, "HTMLLinkElement.disabled's explicitly enabled state persists when disconnected and connected again");
</script>