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LibWeb: Ignore boxes without layout node in intersection observer steps

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Check if box has associated layout node is not mentioned in the spec,
but it is required to match behavior of other browsers that do not
invoke intersection observer steps for boxes without layout node.
This commit is contained in:
Aliaksandr Kalenik 2025-04-13 21:36:00 +02:00 • committed by Alexander Kalenik
parent ea8a6b43f7
commit 3e1d718b7f
Notes: github-actions[bot] 2025-04-14 15:10:55 +00:00
3 changed files with 28 additions and 2 deletions
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24
Tests/LibWeb/Text/input/IntersectionObserver/box-without-layout-node-should-not-intersect.html Normal file
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@ -0,0 +1,24 @@
<!DOCTYPE html>
<script src="../include.js"></script>
<div id="container" style="height:200px; display:none">
<div id="nested"></div>
</div>
<script>
asyncTest(done => {
let observer = new IntersectionObserver(entries => {
entries.forEach(entry => {
if (entry.isIntersecting) {
println('#nested is visible');
done();
}
});
});
observer.observe(document.getElementById('nested'));
requestAnimationFrame(() => {
requestAnimationFrame(() => {
println('flip #container to visible');
document.getElementById('container').style.display = 'block';
});
});
});
</script>