28 lines
1.1 KiB
TypeScript
28 lines
1.1 KiB
TypeScript
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/*---------------------------------------------------------------------------------------------
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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: (attempt: number) => 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(run);
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} catch (err) {
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if (!/fetch failed|terminated|aborted|timeout|TimeoutError|Timeout Error|RestError|Client network socket disconnected|socket hang up|ECONNRESET|CredentialUnavailableError|endpoints_resolution_error|Audience validation failed|end of central directory record signature not found/i.test(err.message)) {
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throw err;
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}
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lastError = err;
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// maximum delay is 10th retry: ~3 seconds
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const millis = Math.floor((Math.random() * 200) + (50 * Math.pow(1.5, run)));
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await new Promise(c => setTimeout(c, millis));
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}
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}
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console.error(`Too many retries, aborting.`);
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throw lastError;
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}
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