expo-notifications/src/warnOfExpoGoPushUsage.ts

Provides an API to fetch push notification tokens and to present, schedule, receive, and respond to notifications.

import { isRunningInExpoGo } from 'expo';

let didWarn = false;

export const warnOfExpoGoPushUsage = () => {
  if (__DEV__ && isRunningInExpoGo() && !didWarn) {
    didWarn = true;
    console.warn(
      `expo-notifications: Push notifications (remote notifications) functionality provided by expo-notifications will be removed from Expo Go in SDK 53. Instead, use a development build. Read more at https://docs.expo.dev/develop/development-builds/introduction/.`
    );
  }
};