index.js

/**
 * @format
 */
// on top of your index.android.js file
const isAndroid = require('react-native').Platform.OS === 'android'; // this line is only needed if you don't use an .android.js file
const isHermesEnabled = !!global.HermesInternal;  // this line is only needed if you don't use an .android.js file

/* // in your index.js file
if (isHermesEnabled || isAndroid) {  // this line is only needed if you don't use an .android.js file

  require('@formatjs/intl-getcanonicallocales/polyfill');
  require('@formatjs/intl-locale/polyfill');


  require('@formatjs/intl-pluralrules/polyfill');
  require('@formatjs/intl-pluralrules/locale-data/en.js'); // USE YOUR OWN LANGUAGE OR MULTIPLE IMPORTS YOU WANT TO SUPPORT

  require('@formatjs/intl-displaynames/polyfill');
  require('@formatjs/intl-displaynames/locale-data/en.js'); // USE YOUR OWN LANGUAGE OR MULTIPLE IMPORTS YOU WANT TO SUPPORT

  require('@formatjs/intl-listformat/polyfill');
  require('@formatjs/intl-listformat/locale-data/en.js'); // USE YOUR OWN LANGUAGE OR MULTIPLE IMPORTS YOU WANT TO SUPPORT

  require('@formatjs/intl-numberformat/polyfill');
  require('@formatjs/intl-numberformat/locale-data/en.js'); // USE YOUR OWN LANGUAGE OR MULTIPLE IMPORTS YOU WANT TO SUPPORT

  require('@formatjs/intl-relativetimeformat/polyfill');
  require('@formatjs/intl-relativetimeformat/locale-data/en.js'); // USE YOUR OWN LANGUAGE OR MULTIPLE IMPORTS YOU WANT TO SUPPORT

  require('@formatjs/intl-datetimeformat/polyfill');
  require('@formatjs/intl-datetimeformat/locale-data/en.js'); // USE YOUR OWN LANGUAGE OR MULTIPLE IMPORTS YOU WANT TO SUPPORT

  require('@formatjs/intl-datetimeformat/add-golden-tz.js');



  // https://formatjs.io/docs/polyfills/intl-datetimeformat/#default-timezone

  if ('__setDefaultTimeZone' in Intl.DateTimeFormat) {

    // If you are using react-native-cli
    let RNLocalize = require('react-native-localize');
    Intl.DateTimeFormat.__setDefaultTimeZone(RNLocalize.getTimeZone());

    //  Are you using Expo, use this instead of previous 2 lines
    //  Intl.DateTimeFormat.__setDefaultTimeZone(
    //    require("expo-localization").timezone
    //  );
  }
} // this line is only needed if you don't use an .android.js file */

import {AppRegistry} from 'react-native';
import App from './App';
import {name as appName} from './app.json';

import { LogBox } from 'react-native';

import messaging from '@react-native-firebase/messaging';

LogBox.ignoreLogs(['new NativeEventEmitter']); // Ignore log notification by message
LogBox.ignoreAllLogs(); //Ignore all log notifications
LogBox.ignoreLogs([
  "[react-native-gesture-handler] Seems like you\'re using an old API with gesture components, check out new Gestures system!",
]);
LogBox.ignoreLogs(["EventEmitter.removeListener"]);
LogBox.ignoredYellowBox = ["Warning: Each", "Warning: Failed", 'VirtualizedLists should never be nested'];
LogBox.ignoreLogs(['Animated: `useNativeDriver`']);
LogBox.ignoreLogs(['Animated.event']);
LogBox.ignoreLogs(['Require cycle:']);
LogBox.ignoreLogs(['VirtualizedLists should never be nested']);

console.ignoredYellowBox = ['Warning: Each', 'Warning: Failed'];
console.disableYellowBox = true;

// Register background handler
messaging().setBackgroundMessageHandler(async remoteMessage => {
  console.log('Message handled in the background!', remoteMessage);
  //the device will have displayed a notification to the user.
});
console.log('appName: ', appName);
AppRegistry.registerComponent(appName, () => App);