text: import AppNavigator from '../utils/navigationStack';
  
  const initialState =
  AppNavigator.router.getStateForAction(AppNavigator.router.getActionForPathAndParams('LandingScreen'));
  
  const navigationReducer = (state = initialState, action) => {
    const newState = AppNavigator.router.getStateForAction(action, state);
    return newState || state;
  };
  
  export default navigationReducer;
  