conditionally changes screen gestures in React Navigation

navigations.ts

const Screens = {
  Home: 'Home',
  Settings: 'Settings',
}

const Navigation = createStackNavigator(
  {
    [Screens['Home']]: Home,
    [Screens['Settings']]: Settings,
  },
  {
    navigationOptions: ({ navigation }) => {
      const currentRoute = navigation.state.routes[navigation.state.index]
      return {
        gesturesEnabled: currentRoute.routeName === Screens['Settings'],
      }
    },
  },
)