text: import { Notifications } from 'expo';
  import * as Permissions from 'expo-permissions';
  
  async function registerForPushNotificationsAsync() {
    const { status: existingStatus } = await Permissions.getAsync(
      Permissions.NOTIFICATIONS,
    );
    let finalStatus = existingStatus;
  
    if (existingStatus !== 'granted') {
      const { status } = await Permissions.askAsync(Permissions.NOTIFICATIONS);
      finalStatus = status;
    }
  
    if (finalStatus !== 'granted') {
      return;
    }
  
    const token = await Notifications.getExpoPushTokenAsync();
  
    return token;
  }
  
  export default registerForPushNotificationsAsync;
  