start method

@override Future<void> start()

Implementation

@override
Future<void> start() async {
  isLoading = true;
  final interval = speed ?? const Duration(milliseconds: 100);
  Timer.periodic(interval, (timer) {
    if (!isLoading) {
      timer.cancel();
    } else {
      stdout.write(
          '\r${formatOutput(spinnerSymbols[index % spinnerSymbols.length])}');
      index++;
    }
  });
}