Files
openstapps/src/storage/elasticsearch/util/retry.ts
2023-04-28 12:43:31 +00:00

39 lines
1.3 KiB
TypeScript

/*
* Copyright (C) 2022 StApps
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation, version 3.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program. If not, see <https://www.gnu.org/licenses/>.
*/
export interface RetryOptions<T> {
maxRetries: number;
retryInterval: number;
doAction: () => Promise<T>;
onFailedAttempt: (attempt: number, error: unknown, options: RetryOptions<T>) => void;
onFail: (options: RetryOptions<T>) => never;
}
/**
* Retries a throwing function at a set interval, until a maximum amount of attempts
*/
export async function retryCatch<T>(options: RetryOptions<T>): Promise<T> {
for (let attempt = 0; attempt < options.maxRetries; attempt++) {
try {
return await options.doAction();
} catch (error) {
options.onFailedAttempt(attempt, error, options);
await new Promise(resolve => setTimeout(resolve, options.retryInterval));
}
}
options.onFail(options);
}