Function isRetryableGenerateError

packages/kosong/src/errors.ts:91–99

(error: unknown)

}

export function isRetryableGenerateError(error: unknown): boolean {
  if (error instanceof APIConnectionError || error instanceof APITimeoutError) {
    return true;
  }
  if (error instanceof APIEmptyResponseError) {
    return true;
  }
  return error instanceof APIStatusError && [429, 500, 502, 503, 504].includes(error.statusCode);
}

// `terminated` is the undici signature for an SSE/HTTP body stream that is
// dropped mid-flight (common with Node's native fetch on long reasoning