onTapConfirm method Null safety

Implementation

void onTapConfirm(BuildContext context) async {
  // final String code = confirmController.text.trim();
  // if (code.isEmpty) {
  //   EventService().eventBus.fire(PopupEvent(
  //       type: PopupType.alert,
  //       action: PopupAction.show,
  //       data: {"title": "오류", "content": "코드를 입력하세요."},
  //       onClose: () {
  //         Navigator.of(context, rootNavigator: true).popUntil((route) => !route.settings.name!.startsWith(PopupScreen.routeName));
  //       }));
  //   return;
  // }
  //
  // try {
  //   SignUpResult result = await Amplify.Auth.confirmSignUp(username: username, confirmationCode: code);
  //   if (result.isSignUpComplete) {
  //     EventService().eventBus.fire(PopupEvent(
  //         type: PopupType.alert,
  //         action: PopupAction.show,
  //         data: {"title": "성공", "content": "계정인증에 성공했습니다. 로그인을 진행해주세요."},
  //         onClose: () {
  //           Navigator.of(context, rootNavigator: true).popUntil((route) => route.settings.name == SplashScreen.routeName);
  //           Navigator.of(context, rootNavigator: true).pushNamed(SigninScreen.routeName);
  //         }));
  //   }
  // } on AuthException catch (e) {
  //   EventService().eventBus.fire(PopupEvent(
  //       type: PopupType.alert,
  //       action: PopupAction.show,
  //       data: {"title": "오류", "content": e.message},
  //       onClose: () {
  //         Navigator.of(context, rootNavigator: true).popUntil((route) => !route.settings.name!.startsWith(PopupScreen.routeName));
  //       }));
  // }
}