ladybird/Userland/Libraries/LibJS/Runtime/MapIterator.h
Idan Horowitz a27fbfd45f LibJS: Use OrderedHashMap instead of HashMap in the Map built-in
This ensures insertion-order iteration.
2021-06-15 23:51:20 +01:00

39 lines
979 B
C++

/*
* Copyright (c) 2021, Idan Horowitz <idan.horowitz@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/HashMap.h>
#include <LibJS/Runtime/Map.h>
#include <LibJS/Runtime/Object.h>
namespace JS {
class MapIterator final : public Object {
JS_OBJECT(MapIterator, Object);
public:
static MapIterator* create(GlobalObject&, Map& map, Object::PropertyKind iteration_kind);
explicit MapIterator(Object& prototype, Map& map, Object::PropertyKind iteration_kind);
virtual ~MapIterator() override;
Map& map() const { return m_map; }
bool done() const { return m_done; }
Object::PropertyKind iteration_kind() const { return m_iteration_kind; }
private:
friend class MapIteratorPrototype;
virtual void visit_edges(Cell::Visitor&) override;
Map& m_map;
bool m_done { false };
Object::PropertyKind m_iteration_kind;
OrderedHashMap<Value, Value, ValueTraits>::IteratorType m_iterator;
};
}