LibJS: Add the WeakMap built-in object

1 files changed, 28 insertions, 0 deletions

diff --git a/Userland/Libraries/LibJS/Runtime/WeakMapConstructor.h b/Userland/Libraries/LibJS/Runtime/WeakMapConstructor.h
new file mode 100644
index 0000000000..42d47eadad
--- /dev/null
+++ b/Userland/Libraries/LibJS/Runtime/WeakMapConstructor.h
@@ -0,0 +1,28 @@
+/*
+ * Copyright (c) 2021, Idan Horowitz <idan.horowitz@serenityos.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#pragma once
+
+#include <LibJS/Runtime/NativeFunction.h>
+
+namespace JS {
+
+class WeakMapConstructor final : public NativeFunction {
+    JS_OBJECT(WeakMapConstructor, NativeFunction);
+
+public:
+    explicit WeakMapConstructor(GlobalObject&);
+    virtual void initialize(GlobalObject&) override;
+    virtual ~WeakMapConstructor() override;
+
+    virtual Value call() override;
+    virtual Value construct(Function&) override;
+
+private:
+    virtual bool has_constructor() const override { return true; }
+};
+
+}