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26 lines
1.1 KiB
TypeScript
26 lines
1.1 KiB
TypeScript
/*---------------------------------------------------------------------------------------------
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* Copyright (c) Microsoft Corporation. All rights reserved.
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* Licensed under the Source EULA. See License.txt in the project root for license information.
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*--------------------------------------------------------------------------------------------*/
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/**
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* Deferred promise
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*/
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export class Deferred<T> {
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promise: Promise<T>;
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resolve!: (value?: T | PromiseLike<T>) => void;
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reject!: (reason?: any) => void;
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constructor() {
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this.promise = new Promise<T>((resolve, reject) => {
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this.resolve = resolve;
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this.reject = reject;
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});
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}
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then<TResult>(onfulfilled?: (value: T) => TResult | Thenable<TResult>, onrejected?: (reason: any) => TResult | Thenable<TResult>): Thenable<TResult>;
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then<TResult>(onfulfilled?: (value: T) => TResult | Thenable<TResult>, onrejected?: (reason: any) => void): Thenable<TResult>;
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then<TResult>(onfulfilled?: (value: T) => TResult | Thenable<TResult>, onrejected?: (reason: any) => TResult | Thenable<TResult>): Thenable<TResult> {
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return this.promise.then(onfulfilled, onrejected);
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}
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}
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