Is there a way to use MultiValidator with other data types?
yasht01 opened this issue · comments
Yash Tiwari commented
Yash Tiwari commented
Workaround solution for now:
class CustomMultiValidator<T> extends FieldValidator<T?> {
final List<FieldValidator> validators;
static String _errorText = '';
CustomMultiValidator(this.validators) : super(_errorText);
@override
bool isValid(value) {
for (FieldValidator validator in validators) {
if (validator.call(value) != null) {
_errorText = validator.errorText;
return false;
}
}
return true;
}
@override
String? call(T? value) {
return isValid(value) ? null : _errorText;
}
}