Userland/Libraries/LibWeb/DOM/NodeList.cpp


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/*
 * Copyright (c) 2022, Andreas Kling <kling@serenityos.org>
 *
 * SPDX-License-Identifier: BSD-2-Clause
 */

#include <LibWeb/Bindings/Intrinsics.h>
#include <LibWeb/DOM/Node.h>
#include <LibWeb/DOM/NodeList.h>

namespace Web::DOM {

NodeList::NodeList(JS::Realm& realm)
    : LegacyPlatformObject(realm)
{
}

NodeList::~NodeList() = default;

JS::ThrowCompletionOr<void> NodeList::initialize(JS::Realm& realm)
{
    MUST_OR_THROW_OOM(Base::initialize(realm));
    set_prototype(&Bindings::ensure_web_prototype<Bindings::NodeListPrototype>(realm, "NodeList"));

    return {};
}

WebIDL::ExceptionOr<JS::Value> NodeList::item_value(size_t index) const
{
    auto* node = item(index);
    if (!node)
        return JS::js_undefined();
    return const_cast<Node*>(node);
}

bool NodeList::is_supported_property_index(u32 index) const
{
    return index < length();
}

}