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LibWeb: Implement ParentNode.children

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Required by Web Platform Tests for the innerHTML/outerHTML tests.
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Luke Wilde 2021-09-13 23:01:17 +01:00 • committed by Andreas Kling
parent 8e0f3436a2
commit e4d97add3d
6 changed files with 29 additions and 0 deletions
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12
Userland/Libraries/LibWeb/DOM/ParentNode.cpp
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@ -6,6 +6,7 @@
#include <LibWeb/CSS/Parser/Parser.h>
#include <LibWeb/CSS/SelectorEngine.h>
#include <LibWeb/DOM/HTMLCollection.h>
#include <LibWeb/DOM/ParentNode.h>
#include <LibWeb/Dump.h>
@ -75,4 +76,15 @@ u32 ParentNode::child_element_count() const
return count;
}
// https://dom.spec.whatwg.org/#dom-parentnode-children
NonnullRefPtr<HTMLCollection> ParentNode::children()
{
// The children getter steps are to return an HTMLCollection collection rooted at this matching only element children.
// FIXME: This should return the same HTMLCollection object every time,
// but that would cause a reference cycle since HTMLCollection refs the root.
return HTMLCollection::create(*this, [this](Element const& element) {
return is_parent_of(element);
});
}
}