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LibWeb: Implement scoped custom element registries

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This commit is contained in:
Sam Atkins
2026-02-27 17:05:47 +00:00
committed by Tim Ledbetter
parent 90c39c214d
commit ed6a5f25a0
Notes: github-actions[bot] 2026-03-27 19:50:58 +00:00 
Author: https://github.com/AtkinsSJ
Commit: https://github.com/LadybirdBrowser/ladybird/commit/ed6a5f25a0a
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/8613
Reviewed-by: https://github.com/tcl3 ✅
48 changed files with 1243 additions and 749 deletions
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5
Libraries/LibWeb/HTML/Scripting/SimilarOriginWindowAgent.h
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@@ -43,6 +43,11 @@ struct SimilarOriginWindowAgent : public Agent {
auto& current_element_queue() { return custom_element_reactions_stack.element_queue_stack.last(); }
auto const& current_element_queue() const { return custom_element_reactions_stack.element_queue_stack.last(); }
// https://html.spec.whatwg.org/multipage/custom-elements.html#active-custom-element-constructor-map
// Each similar-origin window agent has an associated active custom element constructor map, which is a map of
// constructors to CustomElementRegistry objects.
HashMap<GC::Ref<JS::FunctionObject>, GC::Root<CustomElementRegistry>> active_custom_element_constructor_map;
private:
SimilarOriginWindowAgent(GC::Heap&, CanBlock);
};