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Check whether an element is custom in the spec-compliant way (#35960)

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* Check whether element is custom in spec-compliant way

Signed-off-by: Xiaocheng Hu <xiaochengh.work@gmail.com>

* Update tests

Signed-off-by: Xiaocheng Hu <xiaochengh.work@gmail.com>

---------

Signed-off-by: Xiaocheng Hu <xiaochengh.work@gmail.com>
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Xiaocheng Hu 2025-03-14 02:03:57 +08:00 • committed by GitHub
parent ea35353e9a
commit 62d6759106
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6 changed files with 71 additions and 13 deletions
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5
components/script/dom/node.rs
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@ -422,7 +422,8 @@ impl Node {
pub(crate) fn as_custom_element(&self) -> Option<DomRoot<Element>> {
self.downcast::<Element>().and_then(|element| {
if element.get_custom_element_definition().is_some() {
if element.is_custom() {
assert!(element.get_custom_element_definition().is_some());
Some(DomRoot::from_ref(element))
} else {
None
@ -2334,7 +2335,7 @@ impl Node {
.filter_map(DomRoot::downcast::<Element>)
{
// Step 7.7.2, whatwg/dom#833
if descendant.get_custom_element_definition().is_some() {
if descendant.is_custom() {
if descendant.is_connected() {
ScriptThread::enqueue_callback_reaction(
&descendant,