1/*
2 * Copyright (c) 2023 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 *     http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16declare function print(str:any):string;
17declare var ArkTools:any;
18import {DsHelper} from "./ds_helper"
19export class DataManager {
20    private dataHelper: DsHelper = new DsHelper()
21    private constructor() {}
22
23    public static getInstance(): DataManager {
24        if (!globalThis.dataManager) {
25            globalThis.dataManager = new DataManager()
26        }
27        return globalThis.dataManager
28    }
29
30    insertEvent() {
31        let promise = this.dataHelper.getDsHelper()
32        let env = ArkTools.getLexicalEnv(this.dataHelper.getDsHelper)
33        if (env !== undefined) {
34            print("lexical env of async function should not be changed!")
35        }
36        promise.then((dsHelper) => {
37            print("callback")
38            print(dsHelper)
39        })
40    }
41}