code-server/lib/vscode/build/azure-pipelines/common/retry.ts
2021-02-09 16:08:37 +00:00

27 lines
875 B
TypeScript

/*---------------------------------------------------------------------------------------------
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the MIT License. See License.txt in the project root for license information.
*--------------------------------------------------------------------------------------------*/
'use strict';
export async function retry<T>(fn: () => Promise<T>): Promise<T> {
for (let run = 1; run <= 10; run++) {
try {
return await fn();
} catch (err) {
if (!/ECONNRESET/.test(err.message)) {
throw err;
}
const millis = (Math.random() * 200) + (50 * Math.pow(1.5, run));
console.log(`Failed with ECONNRESET, retrying in ${millis}ms...`);
// maximum delay is 10th retry: ~3 seconds
await new Promise(c => setTimeout(c, millis));
}
}
throw new Error('Retried too many times');
}