creditCard static method

FormFieldValidator<String> creditCard({
  1. String? errorText,
})

Implementation

static FormFieldValidator<String> creditCard({
  String? errorText,
}) =>
        (valueCandidate) => true == valueCandidate?.isNotEmpty &&
        !BasicCreditCardValidator.isCreditCard(valueCandidate!)
        ? errorText ?? BasicFormValidatorMessageError().creditCard
        : null;