validate method

@override String? validate(String? value)

Validates the given value and returns an error message if the value is invalid.

Implementation

@override
String? validate(String? value) {
  if (value != null) {
    if (value.length > maxLength) {
      return getErrorMessage(
        EasyValidatorMessages.instance.maxLength,
        maxLength.toString(),
      );
    }
  }

  return null;
}