minLength static method

NiceValidationRule minLength(
  1. int min, {
  2. String? message,
})

String must have minimum length.

Implementation

static NiceValidationRule minLength(int min, {String? message}) => (value) {
      if (value is String && value.length < min) {
        return message ?? 'Minimum $min characters';
      }
      return null;
    };