37 lines
937 B
TypeScript
37 lines
937 B
TypeScript
// Copyright 2021 Signal Messenger, LLC
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// SPDX-License-Identifier: AGPL-3.0-only
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/* eslint-disable no-restricted-syntax */
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import { explodePromise } from './explodePromise';
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export interface IController {
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abort(): void;
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}
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export class AbortableProcess<Result> implements IController {
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private abortReject: (error: Error) => void;
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public readonly resultPromise: Promise<Result>;
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constructor(
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private readonly name: string,
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private readonly controller: IController,
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resultPromise: Promise<Result>
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) {
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const { promise: abortPromise, reject: abortReject } =
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explodePromise<Result>();
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this.abortReject = abortReject;
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this.resultPromise = Promise.race([abortPromise, resultPromise]);
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}
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public abort(): void {
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this.controller.abort();
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this.abortReject(new Error(`Process "${this.name}" was aborted`));
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}
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public getResult(): Promise<Result> {
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return this.resultPromise;
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}
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}
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