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recurse to Error.cause in is-retryable-error.ts

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Hazelnoot 2025-09-30 22:15:19 -04:00
parent ac0e3d9394
commit 37f00b9ca1
1 changed files with 10 additions and 2 deletions
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12
packages/backend/src/misc/is-retryable-error.ts
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@ -14,6 +14,7 @@ import { ConflictError } from '@/misc/errors/ConflictError.js';
/**
* Returns false if the provided value represents a "permanent" error that cannot be retried.
* Returns true if the error is retryable, unknown (as all errors are retryable by default), or not an error object.
* If the error cannot be readily identified as retryable, then recurses to the inner exception ("cause" property).
*/
export function isRetryableError(e: unknown): boolean {
if (e instanceof AggregateError) return e.errors.every(inner => isRetryableError(inner));
@ -29,8 +30,15 @@ export function isRetryableError(e: unknown): boolean {
if (e instanceof ConflictError) return true;
if (e instanceof UnrecoverableError) return false;
if (e instanceof AbortError) return true;
if (e instanceof FetchError) return true;
if (e instanceof FetchError) return true; // TODO check status code?
if (e instanceof SyntaxError) return false;
if (e instanceof Error) return e.name === 'AbortError';
if (e instanceof Error) {
if (e.name === 'AbortError') return true;
if (e.cause != null) return isRetryableError(e.cause);
}
// TODO aggregate errors (any permanent makes the whole thing permanent)
// TODO "got" errors
return true;
}