parseAuthTypes function
returns the list of auth types by removing the last comma
Implementation
String parseAuthTypes(List<String> authenticationTypes) {
String auth = '';
for (int i = 0; i < authenticationTypes.length; i++) {
final String _auth = authenticationTypes[i];
//. check if its last or only item so as not to
// append a comma
if ((i + 1) == authenticationTypes.length) {
auth = '$auth${'$_auth '}';
} else {
auth = '$auth${'$_auth & '}';
}
}
return auth;
}