@hmscore/react-native-hms-adsprime/src/utils.js

React Native HMS Ads Prime Kit

/*
 * Copyright 2020-2025. Huawei Technologies Co., Ltd. All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License")
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import { NativeEventEmitter } from "react-native";

export const addListenerToModule = function (module, events) {
  const emitter = new NativeEventEmitter(module);
  const subscriptions = new Map();

  events.map((event) => {
    module[event + "ListenerAdd"] = (handler) =>
      subscriptions.set(event, emitter.addListener(event, handler));
    module[event + "ListenerRemove"] = () => subscriptions.get(event).remove();
  });

  module.allListenersRemove = () => subscriptions.forEach((a) => a.remove());
};