traverse Shadow DOM boundaries when determining element lang (#34529)

Signed-off-by: Ville Lindholm <ville@lindholm.dev>
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Ville Lindholm 2024-12-08 18:50:28 +02:00 committed by GitHub
parent 3363e1a261
commit af8f35f5ef
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2 changed files with 1 additions and 10 deletions

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@ -4146,7 +4146,7 @@ impl Element {
// https://html.spec.whatwg.org/multipage/#language
pub fn get_lang(&self) -> String {
self.upcast::<Node>()
.inclusive_ancestors(ShadowIncluding::No)
.inclusive_ancestors(ShadowIncluding::Yes)
.filter_map(|node| {
node.downcast::<Element>().and_then(|el| {
el.get_attribute(&ns!(xml), &local_name!("lang"))