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script: use Element::create instead of DOM struct constructors (#39325)

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Creating elements by directly calling their interface constructors leads
to some state not being intialized correctly (see #39285). It is also
not in line with the specifications as many of them refer to the
[`create an element`][1] algorithm when an element needs to be created,
which directly maps to `Element::create` in the script crate.

So, switch all such places where elements are created by script to use
`Element::create`.

[1]: https://dom.spec.whatwg.org/#concept-create-element

Testing: Existing WPT tests.

Fixes: #39285

Signed-off-by: Mukilan Thiyagarajan <mukilan@igalia.com>
This commit is contained in:
Mukilan Thiyagarajan 2025-09-16 14:56:42 +05:30 • committed by GitHub
parent 2b261b02bf
commit 07b2ff5d60
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13 changed files with 254 additions and 98 deletions
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19
components/script/dom/html/htmltablerowelement.rs
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@ -3,7 +3,7 @@
* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
use dom_struct::dom_struct;
use html5ever::{LocalName, Prefix, local_name, ns};
use html5ever::{LocalName, Prefix, QualName, local_name, ns};
use js::rust::HandleObject;
use style::attr::{AttrValue, LengthOrPercentageOrAuto};
use style::color::AbsoluteColor;
@ -17,7 +17,9 @@ use crate::dom::bindings::inheritance::Castable;
use crate::dom::bindings::root::{DomRoot, LayoutDom, MutNullableDom};
use crate::dom::bindings::str::DOMString;
use crate::dom::document::Document;
use crate::dom::element::{Element, LayoutElementHelpers};
use crate::dom::element::{
CustomElementCreationMode, Element, ElementCreator, LayoutElementHelpers,
};
use crate::dom::html::htmlcollection::HTMLCollection;
use crate::dom::html::htmlelement::HTMLElement;
use crate::dom::html::htmltablecellelement::HTMLTableCellElement;
@ -104,7 +106,18 @@ impl HTMLTableRowElementMethods<crate::DomTypeHolder> for HTMLTableRowElement {
node.insert_cell_or_row(
index,
|| self.Cells(),
|| HTMLTableCellElement::new(local_name!("td"), None, &node.owner_doc(), None, can_gc),
|| {
let cell = Element::create(
QualName::new(None, ns!(html), local_name!("td")),
None,
&node.owner_doc(),
ElementCreator::ScriptCreated,
CustomElementCreationMode::Asynchronous,
None,
can_gc,
);
DomRoot::downcast::<HTMLTableCellElement>(cell).unwrap()
},
can_gc,
)
}