Mirrors/servo
1
0
Fork 0
mirror of https://github.com/servo/servo.git synced 2025-09-23 05:10:09 +01:00
Code Issues Projects Releases Packages Wiki Activity

script: Set validation anchor to target element in ElementInternals::SetValidity when anchor is not given (#39247)

Browse source 
Testing: Covered by existing web platform tests

---------

Signed-off-by: Simon Wülker <simon.wuelker@arcor.de>
This commit is contained in:
Simon Wülker 2025-09-11 03:26:09 +02:00 • committed by GitHub
parent da64921877
commit 93ad2cf62a
No known key found for this signature in database
GPG key ID: B5690EEEBB952194
3 changed files with 18 additions and 18 deletions
Download patch file Download diff file Expand all files Collapse all files

30
components/script/dom/elementinternals.rs
View file

@ -245,7 +245,8 @@ impl ElementInternalsMethods<crate::DomTypeHolder> for ElementInternals {
anchor: Option<&HTMLElement>,
can_gc: CanGc,
) -> ErrorResult {
// Steps 1-2: Check form-associated custom element
// Step 1. Let element be this's target element.
// Step 2: If element is not a form-associated custom element, then throw a "NotSupportedError" DOMException.
if !self.is_target_form_associated() {
return Err(Error::NotSupported);
}
@ -282,21 +283,26 @@ impl ElementInternalsMethods<crate::DomTypeHolder> for ElementInternals {
self.set_custom_validity_error_message(DOMString::new());
}
// Step 7: Set element's validation anchor to null if anchor is not given.
match anchor {
None => self.validation_anchor.set(None),
Some(a) => {
if a == &*self.target_element ||
!self
.target_element
.upcast::<Node>()
.is_shadow_including_inclusive_ancestor_of(a.upcast::<Node>())
let anchor = match anchor {
// Step 7: If anchor is not given, then set it to element.
None => &self.target_element,
// Step 8. Otherwise, if anchor is not a shadow-including inclusive descendant of element,
// then throw a "NotFoundError" DOMException.
Some(anchor) => {
if !self
.target_element
.upcast::<Node>()
.is_shadow_including_inclusive_ancestor_of(anchor.upcast::<Node>())
{
return Err(Error::NotFound);
}
self.validation_anchor.set(Some(a));
anchor
},
}
};
// Step 9. Set element's validation anchor to anchor.
self.validation_anchor.set(Some(anchor));
Ok(())
}