minLength static method
FormFieldValidator that requires the length of the field's value to be greater than or equal to the provided minimum length.
Implementation
static FormFieldValidator minLength(
num minLength, {
String? errorText,
}) {
return (candidate) {
final valueCandidate = candidate as String?;
if (valueCandidate != null && valueCandidate.length < minLength) {
return errorText ??
"Value must have a length greater than or equal to $minLength";
}
return null;
};
}