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56 lines
1.3 KiB
TypeScript
56 lines
1.3 KiB
TypeScript
/**
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* Copyright (c) Microsoft Corporation.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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export class ManualPromise<T> extends Promise<T> {
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private _resolve!: (t: T) => void;
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private _reject!: (e: Error) => void;
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private _isDone: boolean;
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constructor() {
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let resolve: (t: T) => void;
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let reject: (e: Error) => void;
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super((f, r) => {
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resolve = f;
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reject = r;
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});
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this._isDone = false;
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this._resolve = resolve!;
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this._reject = reject!;
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}
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isDone() {
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return this._isDone;
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}
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resolve(t: T) {
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this._isDone = true;
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this._resolve(t);
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}
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reject(e: Error) {
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this._isDone = true;
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this._reject(e);
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}
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static override get [Symbol.species]() {
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return Promise;
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}
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override get [Symbol.toStringTag]() {
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return 'ManualPromise';
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}
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}
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