LibWeb: Implement <desc> SVG element

Author: https://github.com/jamierocks
Commit: 2d90317c20
Pull-request: https://github.com/SerenityOS/serenity/pull/23974
Reviewed-by: https://github.com/MacDue

Userland/Libraries/LibWeb/SVG/SVGDescElement.cpp

@@ -0,0 +1,32 @@
+/*
+ * Copyright (c) 2024, Jamie Mansfield <jmansfield@cadixdev.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#include <LibWeb/Bindings/Intrinsics.h>
+#include <LibWeb/DOM/Document.h>
+#include <LibWeb/Page/Page.h>
+#include <LibWeb/SVG/SVGDescElement.h>
+
+namespace Web::SVG {
+
+JS_DEFINE_ALLOCATOR(SVGDescElement);
+
+SVGDescElement::SVGDescElement(DOM::Document& document, DOM::QualifiedName qualified_name)
+    : SVGElement(document, move(qualified_name))
+{
+}
+
+void SVGDescElement::initialize(JS::Realm& realm)
+{
+    Base::initialize(realm);
+    WEB_SET_PROTOTYPE_FOR_INTERFACE(SVGDescElement);
+}
+
+JS::GCPtr<Layout::Node> SVGDescElement::create_layout_node(NonnullRefPtr<CSS::StyleProperties>)
+{
+    return nullptr;
+}
+
+}

Userland/Libraries/LibWeb/SVG/SVGDescElement.h

@@ -0,0 +1,25 @@
+/*
+ * Copyright (c) 2024, Jamie Mansfield <jmansfield@cadixdev.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#pragma once
+
+#include <LibWeb/SVG/SVGElement.h>
+
+namespace Web::SVG {
+
+class SVGDescElement final : public SVGElement {
+    WEB_PLATFORM_OBJECT(SVGDescElement, SVGElement);
+    JS_DECLARE_ALLOCATOR(SVGDescElement);
+
+private:
+    SVGDescElement(DOM::Document&, DOM::QualifiedName);
+
+    virtual void initialize(JS::Realm&) override;
+
+    virtual JS::GCPtr<Layout::Node> create_layout_node(NonnullRefPtr<CSS::StyleProperties>) override;
+};
+
+}

Userland/Libraries/LibWeb/SVG/SVGDescElement.idl

@@ -0,0 +1,6 @@
+#import <SVG/SVGElement.idl>
+
+// https://svgwg.org/svg2-draft/struct.html#InterfaceSVGDescElement
+[Exposed=Window]
+interface SVGDescElement : SVGElement {
+};