29 lines
982 B
TypeScript
29 lines
982 B
TypeScript
/*---------------------------------------------------------------------------------------------
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* Copyright (c) Microsoft Corporation. All rights reserved.
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* Licensed under the MIT License. See License.txt in the project root for license information.
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*--------------------------------------------------------------------------------------------*/
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export async function retry<T>(fn: () => Promise<T>): Promise<T> {
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let lastError: Error | undefined;
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for (let run = 1; run <= 10; run++) {
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try {
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return await fn();
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} catch (err) {
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if (!/ECONNRESET|CredentialUnavailableError|Audience validation failed/i.test(err.message)) {
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throw err;
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}
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lastError = err;
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const millis = (Math.random() * 200) + (50 * Math.pow(1.5, run));
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console.log(`Request failed, retrying in ${millis}ms...`);
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// maximum delay is 10th retry: ~3 seconds
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await new Promise(c => setTimeout(c, millis));
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}
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}
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console.log(`Too many retries, aborting.`);
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throw lastError;
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}
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