Function isNotWritablePrimaryError

src/error.ts:1509–1520

(err: MongoError)

}

function isNotWritablePrimaryError(err: MongoError) {
  if (typeof err.code === 'number') {
    // If any error code exists, we ignore the error.message
    return SDAM_NOT_PRIMARY_CODES.has(err.code);
  }

  if (isRecoveringError(err)) {
    return false;
  }

  return LEGACY_NOT_WRITABLE_PRIMARY_ERROR_MESSAGE.test(err.message);
}

export function isNodeShuttingDownError(err: MongoError): boolean {
  return !!(typeof err.code === 'number' && SDAM_NODE_SHUTTING_DOWN_ERROR_CODES.has(err.code));