menu static method

int menu({ required String promt, required List<String> options, })

Implementation

static int menu({required String promt, required List<String> options}) {
  print('');
  for (var i = 0; i < options.length; i++) {
    print(yellow("  ${i + 1}. ${options[i]}"));
  }
  print('');
  print(blue(promt));
  var ans = stdin.readLineSync();
  if (ans == null) {
    return menu(promt: promt, options: options);
  } else {
    var s = int.parse(ans);
    if (s == 0 || s > options.length) {
      print(red("[ERROR] Invalid selection!"));
      return menu(promt: promt, options: options);
    } else {
      return s;
    }
  }
}