Everywhere: Hoist the Libraries folder to the top-level

Author: https://github.com/trflynn89
Commit: 93712b24bf
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/2256
Reviewed-by: https://github.com/sideshowbarker

Libraries/LibWeb/DOM/DOMImplementation.h

@@ -0,0 +1,47 @@
+/*
+ * Copyright (c) 2020, the SerenityOS developers.
+ * Copyright (c) 2022, Andreas Kling <andreas@ladybird.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#pragma once
+
+#include <LibJS/Heap/GCPtr.h>
+#include <LibWeb/Bindings/PlatformObject.h>
+#include <LibWeb/DOM/Document.h>
+
+namespace Web::DOM {
+
+class DOMImplementation final : public Bindings::PlatformObject {
+    WEB_PLATFORM_OBJECT(DOMImplementation, Bindings::PlatformObject);
+    JS_DECLARE_ALLOCATOR(DOMImplementation);
+
+public:
+    [[nodiscard]] static JS::NonnullGCPtr<DOMImplementation> create(Document&);
+    virtual ~DOMImplementation();
+
+    WebIDL::ExceptionOr<JS::NonnullGCPtr<XMLDocument>> create_document(Optional<FlyString> const&, String const&, JS::GCPtr<DocumentType>) const;
+    JS::NonnullGCPtr<Document> create_html_document(Optional<String> const& title) const;
+    WebIDL::ExceptionOr<JS::NonnullGCPtr<DocumentType>> create_document_type(String const& qualified_name, String const& public_id, String const& system_id);
+
+    // https://dom.spec.whatwg.org/#dom-domimplementation-hasfeature
+    bool has_feature() const
+    {
+        // The hasFeature() method steps are to return true.
+        return true;
+    }
+
+private:
+    explicit DOMImplementation(Document&);
+
+    virtual void initialize(JS::Realm&) override;
+    virtual void visit_edges(Cell::Visitor&) override;
+
+    Document& document() { return m_document; }
+    Document const& document() const { return m_document; }
+
+    JS::NonnullGCPtr<Document> m_document;
+};
+
+}