Function isRetryableReadError

src/error.ts:1454–1476

(error: MongoError)

/** Determines whether an error is something the driver should attempt to retry */
export function isRetryableReadError(error: MongoError): boolean {
  const hasRetryableErrorCode =
    typeof error.code === 'number' ? RETRYABLE_READ_ERROR_CODES.has(error.code) : false;
  if (hasRetryableErrorCode) {
    return true;
  }

  if (error instanceof MongoNetworkError) {
    return true;
  }

  const isNotWritablePrimaryError = LEGACY_NOT_WRITABLE_PRIMARY_ERROR_MESSAGE.test(error.message);
  if (isNotWritablePrimaryError) {
    return true;
  }

  const isNodeIsRecoveringError = NODE_IS_RECOVERING_ERROR_MESSAGE.test(error.message);
  if (isNodeIsRecoveringError) {
    return true;
  }

  return false;
}

const SDAM_RECOVERING_CODES = new Set<number>([
  MONGODB_ERROR_CODES.ShutdownInProgress,