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LibWeb: Make Node::root return a reference

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The root of a node can never be null, as "the root of an object is
itself, if its parent is null, or else it is the root of its parent."

https://dom.spec.whatwg.org/#concept-tree-root
This commit is contained in:
Luke Wilde 2021-09-02 19:27:42 +01:00 • committed by Andreas Kling
parent 7f46022e66
commit f7f37eaa0f
5 changed files with 24 additions and 20 deletions
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8
Userland/Libraries/LibWeb/DOM/Node.h
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@ -113,14 +113,14 @@ public:
String child_text_content() const;
Node* root();
const Node* root() const
Node& root();
const Node& root() const
{
return const_cast<Node*>(this)->root();
}
Node* shadow_including_root();
const Node* shadow_including_root() const
Node& shadow_including_root();
const Node& shadow_including_root() const
{
return const_cast<Node*>(this)->shadow_including_root();
}