maxLength static method

FormFieldValidator<String> maxLength(
  1. int maxLength,
  2. String errorMessage
)

Implementation

static FormFieldValidator<String> maxLength(
    int maxLength, String errorMessage) {
  return (value) {
    if (value!.isEmpty) return null;

    if (value.length > maxLength)
      return errorMessage;
    else
      return null;
  };
}