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Add Precustomized state to CustomElementState (#35392)

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* add Precustomized state to CustomElementState

Signed-off-by: Taym Haddadi <haddadi.taym@gmail.com>

* Update test expectation

Signed-off-by: Taym Haddadi <haddadi.taym@gmail.com>

---------

Signed-off-by: Taym Haddadi <haddadi.taym@gmail.com>
This commit is contained in:
Taym Haddadi 2025-02-12 13:57:52 +01:00 • committed by GitHub
parent 82df628a11
commit 695e5fe5f1
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3 changed files with 13 additions and 6 deletions
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3
components/script/dom/customelementregistry.rs
View file

@ -58,6 +58,7 @@ pub(crate) enum CustomElementState {
Failed,
#[default]
Uncustomized,
Precustomized,
Custom,
}
@ -924,6 +925,8 @@ fn run_upgrade_constructor(
let _ac = JSAutoRealm::new(*cx, constructor.callback());
let args = HandleValueArray::empty();
// Step 8.2. Set element's custom element state to "precustomized".
element.set_custom_element_state(CustomElementState::Precustomized);
if unsafe {
!Construct1(
*cx,

10
components/script/dom/htmlelement.rs
View file

@ -13,6 +13,7 @@ use script_layout_interface::QueryMsg;
use style::attr::AttrValue;
use style_dom::ElementState;
use super::customelementregistry::CustomElementState;
use crate::dom::activation::Activatable;
use crate::dom::attr::Attr;
use crate::dom::bindings::codegen::Bindings::CharacterDataBinding::CharacterData_Binding::CharacterDataMethods;
@ -618,6 +619,15 @@ impl HTMLElementMethods<crate::DomTypeHolder> for HTMLElement {
return Err(Error::NotSupported);
}
// Step 6: If this's custom element state is not "precustomized" or "custom",
// then throw a "NotSupportedError" DOMException.
if !matches!(
element.get_custom_element_state(),
CustomElementState::Precustomized | CustomElementState::Custom
) {
return Err(Error::NotSupported);
}
if self.is_form_associated_custom_element() {
element.init_state_for_internals();
}

6
tests/wpt/meta/custom-elements/element-internals-shadowroot.html.ini vendored
View file

@ -6,11 +6,5 @@
[ElementInternals.shadowRoot allows access to closed shadow root]
expected: FAIL
[ElementInternals cannot be called before constructor, upgrade case]
expected: FAIL
[ElementInternals *can* be called after constructor, upgrade case]
expected: FAIL
[ElementInternals.shadowRoot doesn't reveal pre-attached closed shadowRoot]
expected: FAIL