checkAtsign method

Future<bool> checkAtsign(
  1. String? atSign
)

Function to validate atsign

Implementation

Future<bool> checkAtsign(String? atSign) async {
  if (atSign == null) {
    return false;
  } else if (!atSign.contains('@')) {
    atSign = '@' + atSign;
  }
  var checkPresence =
      await AtLookupImpl.findSecondary(atSign, rootDomain, rootPort);
  // ignore: unnecessary_null_comparison
  return checkPresence != null;
}