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/DisposableStack.h

@@ -0,0 +1,41 @@
+/*
+ * Copyright (c) 2022, David Tuin <davidot@serenityos.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#pragma once
+
+#include <LibJS/Runtime/AbstractOperations.h>
+#include <LibJS/Runtime/Object.h>
+
+namespace JS {
+
+class DisposableStack final : public Object {
+    JS_OBJECT(DisposableStack, Object);
+    JS_DECLARE_ALLOCATOR(DisposableStack);
+
+public:
+    virtual ~DisposableStack() override = default;
+
+    enum class DisposableState {
+        Pending,
+        Disposed
+    };
+
+    [[nodiscard]] DisposableState disposable_state() const { return m_state; }
+    [[nodiscard]] Vector<DisposableResource> const& disposable_resource_stack() const { return m_disposable_resource_stack; }
+    [[nodiscard]] Vector<DisposableResource>& disposable_resource_stack() { return m_disposable_resource_stack; }
+
+    void set_disposed() { m_state = DisposableState::Disposed; }
+
+private:
+    DisposableStack(Vector<DisposableResource> stack, Object& prototype);
+
+    virtual void visit_edges(Visitor& visitor) override;
+
+    Vector<DisposableResource> m_disposable_resource_stack;
+    DisposableState m_state { DisposableState::Pending };
+};
+
+}