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LibWeb: Pass scope in Element::closest
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1 changed files with 9 additions and 2 deletions
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@ -551,19 +551,25 @@ WebIDL::ExceptionOr<bool> Element::matches(StringView selectors) const
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// https://dom.spec.whatwg.org/#dom-element-closest
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WebIDL::ExceptionOr<DOM::Element const*> Element::closest(StringView selectors) const
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{
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// 1. Let s be the result of parse a selector from selectors.
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auto maybe_selectors = parse_selector(CSS::Parser::ParsingContext(static_cast<ParentNode&>(const_cast<Element&>(*this))), selectors);
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// 2. If s is failure, then throw a "SyntaxError" DOMException.
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if (!maybe_selectors.has_value())
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return WebIDL::SyntaxError::create(realm(), "Failed to parse selector");
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auto matches_selectors = [](CSS::SelectorList const& selector_list, Element const* element) {
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auto matches_selectors = [this](CSS::SelectorList const& selector_list, Element const* element) {
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// 4. For each element in elements, if match a selector against an element, using s, element, and scoping root this, returns success, return element.
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for (auto& selector : selector_list) {
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if (!SelectorEngine::matches(selector, *element))
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if (!SelectorEngine::matches(selector, *element, {}, this))
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return false;
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}
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return true;
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};
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auto const selector_list = maybe_selectors.release_value();
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// 3. Let elements be this’s inclusive ancestors that are elements, in reverse tree order.
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for (auto* element = this; element; element = element->parent_element()) {
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if (!matches_selectors(selector_list, element))
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continue;
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@ -571,6 +577,7 @@ WebIDL::ExceptionOr<DOM::Element const*> Element::closest(StringView selectors)
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return element;
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}
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// 5. Return null.
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return nullptr;
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}
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