getBorderIcon function

Implementation

BorderSide getBorderIcon(Set<MaterialState> states) {
  const Set<MaterialState> interactiveStates = <MaterialState>{
    MaterialState.pressed,
    MaterialState.hovered,
    MaterialState.focused,
    MaterialState.selected,
  };
  if (states.any(interactiveStates.contains)) {
    return BorderSide(color: Colors.red[800]!);
  }
  return BorderSide(color: Colors.red[900]!);
}