notValidStep property

int? get notValidStep

Implementation

int? get notValidStep {
  final invalidSteps = <int>[];
  if (_isValidByStep.isNotEmpty) {
    for (var i = 0; i < _isValidByStep.length - 1; i++) {
      if (!_isValidByStep[i]!) {
        invalidSteps.add(i);
      }
    }
  }

  return invalidSteps.isNotEmpty ? invalidSteps.first : null;
}