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/LibJS/Runtime/StringObject.h

@@ -0,0 +1,43 @@
+/*
+ * Copyright (c) 2020, Andreas Kling <andreas@ladybird.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#pragma once
+
+#include <LibJS/Runtime/Object.h>
+
+namespace JS {
+
+class StringObject : public Object {
+    JS_OBJECT(StringObject, Object);
+    JS_DECLARE_ALLOCATOR(StringObject);
+
+public:
+    [[nodiscard]] static NonnullGCPtr<StringObject> create(Realm&, PrimitiveString&, Object& prototype);
+
+    virtual void initialize(Realm&) override;
+    virtual ~StringObject() override = default;
+
+    PrimitiveString const& primitive_string() const { return m_string; }
+    PrimitiveString& primitive_string() { return m_string; }
+
+protected:
+    StringObject(PrimitiveString&, Object& prototype);
+
+private:
+    virtual ThrowCompletionOr<Optional<PropertyDescriptor>> internal_get_own_property(PropertyKey const&) const override;
+    virtual ThrowCompletionOr<bool> internal_define_own_property(PropertyKey const&, PropertyDescriptor const&, Optional<PropertyDescriptor>* precomputed_get_own_property = nullptr) override;
+    virtual ThrowCompletionOr<MarkedVector<Value>> internal_own_property_keys() const override;
+
+    virtual bool is_string_object() const final { return true; }
+    virtual void visit_edges(Visitor&) override;
+
+    NonnullGCPtr<PrimitiveString> m_string;
+};
+
+template<>
+inline bool Object::fast_is<StringObject>() const { return is_string_object(); }
+
+}