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LibWeb: Allow attachshadow for elements with valid custom element names

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Srikavin Ramkumar 2023-03-23 04:29:20 -04:00 committed by Tim Flynn
parent 47a466865c
commit 4a82f9bd03
1 changed files with 4 additions and 2 deletions
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6
Userland/Libraries/LibWeb/DOM/Element.cpp
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@ -23,6 +23,7 @@
#include <LibWeb/Geometry/DOMRect.h>
#include <LibWeb/Geometry/DOMRectList.h>
#include <LibWeb/HTML/BrowsingContext.h>
#include <LibWeb/HTML/CustomElements/CustomElementName.h>
#include <LibWeb/HTML/EventLoop/EventLoop.h>
#include <LibWeb/HTML/HTMLBodyElement.h>
#include <LibWeb/HTML/HTMLButtonElement.h>
@ -485,9 +486,10 @@ WebIDL::ExceptionOr<JS::NonnullGCPtr<ShadowRoot>> Element::attach_shadow(ShadowR
return WebIDL::NotSupportedError::create(realm(), "Element's namespace is not the HTML namespace"sv);
// 2. If this’s local name is not one of the following:
// FIXME: - a valid custom element name
// - a valid custom element name
// - "article", "aside", "blockquote", "body", "div", "footer", "h1", "h2", "h3", "h4", "h5", "h6", "header", "main", "nav", "p", "section", or "span"
if (!local_name().is_one_of("article", "aside", "blockquote", "body", "div", "footer", "h1", "h2", "h3", "h4", "h5", "h6", "header", "main", "nav", "p", "section", "span")) {
if (!HTML::is_valid_custom_element_name(local_name())
&& !local_name().is_one_of("article", "aside", "blockquote", "body", "div", "footer", "h1", "h2", "h3", "h4", "h5", "h6", "header", "main", "nav", "p", "section", "span")) {
// then throw a "NotSupportedError" DOMException.
return WebIDL::NotSupportedError::create(realm(), DeprecatedString::formatted("Element '{}' cannot be a shadow host", local_name()));
}