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Implement declarative shadow dom (#34964)

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* Implement declarative shadow dom

Signed-off-by: batu_hoang <longvatrong111@gmail.com>

* Set allowDeclarativeShadowRoots false for innerHTML

Signed-off-by: batu_hoang <longvatrong111@gmail.com>

* Enable allowDeclarativeShadowRoots for Document

Signed-off-by: batu_hoang <longvatrong111@gmail.com>

* Expose HTMLTemplateElement to js

Signed-off-by: batu_hoang <longvatrong111@gmail.com>

* Implemenet setHTMLUnsafe and add more test cases

Signed-off-by: batu_hoang <longvatrong111@gmail.com>

* Declarative shadow dom: minor updates and expected test result update

Signed-off-by: batu_hoang <longvatrong111@gmail.com>

* Shadow-dom: add more test cases

Signed-off-by: batu_hoang <longvatrong111@gmail.com>

* Update comments according to the spec

Signed-off-by: batu_hoang <longvatrong111@gmail.com>

* Bump html5ever version

Signed-off-by: batu_hoang <longvatrong111@gmail.com>

---------

Signed-off-by: batu_hoang <longvatrong111@gmail.com>
This commit is contained in:
batu_hoang 2025-03-17 17:41:34 +08:00 • committed by GitHub
parent f483a3d34b
commit 28c8c1df0c
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44 changed files with 360 additions and 1965 deletions
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8
components/script/dom/shadowroot.rs
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@ -79,6 +79,9 @@ pub(crate) struct ShadowRoot {
slots: DomRefCell<HashMap<DOMString, Vec<Dom<HTMLSlotElement>>>>,
is_user_agent_widget: bool,
/// <https://dom.spec.whatwg.org/#shadowroot-declarative>
declarative: Cell<bool>,
}
impl ShadowRoot {
@ -113,6 +116,7 @@ impl ShadowRoot {
available_to_element_internals: Cell::new(false),
slots: Default::default(),
is_user_agent_widget: is_user_agent_widget == IsUserAgentWidget::Yes,
declarative: Cell::new(false),
}
}
@ -276,6 +280,10 @@ impl ShadowRoot {
pub(crate) fn is_user_agent_widget(&self) -> bool {
self.is_user_agent_widget
}
pub(crate) fn set_declarative(&self, declarative: bool) {
self.declarative.set(declarative);
}
}
impl ShadowRootMethods<crate::DomTypeHolder> for ShadowRoot {