xref: /applications/standard/mms/entry/src/main/ets/utils/SingleInstanceUtils.ts

/**
 * Copyright (c) 2021-2022 Huawei Device Co., Ltd.
 * 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
 *
 *     http://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.
 */
const TAG = 'SingleInstanceHelper';

export default function createOrGet<T>(objectClass: { new(): T }, storageKey: string): T {
    if (!globalThis[storageKey]) {
        globalThis[storageKey] = new objectClass();
    }
    return globalThis[storageKey];
}