49 lines
1.6 KiB
JavaScript
49 lines
1.6 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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const TimeoutError_1 = require("./TimeoutError");
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const utils_1 = require("./utils");
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class PendingOperation {
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constructor(timeoutMillis) {
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this.timeoutMillis = timeoutMillis;
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this.deferred = utils_1.defer();
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this.possibleTimeoutCause = null;
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this.isRejected = false;
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this.promise = timeout(this.deferred.promise, timeoutMillis).catch(err => {
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if (err instanceof TimeoutError_1.TimeoutError) {
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if (this.possibleTimeoutCause) {
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err = new TimeoutError_1.TimeoutError(this.possibleTimeoutCause.message);
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}
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else {
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err = new TimeoutError_1.TimeoutError('operation timed out for an unknown reason');
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}
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}
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this.isRejected = true;
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return Promise.reject(err);
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});
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}
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abort() {
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this.reject(new Error('aborted'));
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}
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reject(err) {
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this.deferred.reject(err);
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}
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resolve(value) {
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this.deferred.resolve(value);
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}
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}
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exports.PendingOperation = PendingOperation;
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function timeout(promise, time) {
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return new Promise((resolve, reject) => {
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const timeoutHandle = setTimeout(() => reject(new TimeoutError_1.TimeoutError()), time);
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promise
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.then(result => {
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clearTimeout(timeoutHandle);
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resolve(result);
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})
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.catch(err => {
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clearTimeout(timeoutHandle);
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reject(err);
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});
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});
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}
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