react-native-firebase/lib/modules/admob/index.js

import { NativeModules, NativeEventEmitter } from 'react-native';
import Interstitial from './Interstitial';
import AdRequest from './AdRequest';
import Banner from './Banner';
import { Base } from './../base';

const FirebaseAdMob = NativeModules.RNFirebaseAdMob;
const FirebaseAdMobEvt = new NativeEventEmitter(FirebaseAdMob);

export default class Admob extends Base {

  constructor() {
    super();
    FirebaseAdMobEvt.addListener('interstitial_event', this._onInterstitialEvent.bind(this));
  }

  _onInterstitialEvent(event) {
    const { adunit } = event;
    const jsEventType = `interstitial_${adunit}`;

    if (!this.hasListeners(jsEventType)) {
      // TODO
    }

    this.emit(jsEventType, event);
  }

  interstitial(adUnit: string) {
    return new Interstitial(this, adUnit);
  }

  static get statics() {
    return statics;
  }
}

export const statics = {
  Banner,
  AdRequest,
  EventTypes: {
    onAdLoaded: 'onAdLoaded',
    onAdOpened: 'onAdOpened',
    onAdLeftApplication: 'onAdLeftApplication',
    onAdClosed: 'onAdClosed',
    onAdFailedToLoad: 'onAdFailedToLoad',
  },
  RewardedEventTypes: {
    onRewarded: 'onRewarded',
    onRewardedVideoAdLeftApplication: 'onRewardedVideoAdLeftApplication',
    onRewardedVideoAdClosed: 'onRewardedVideoAdClosed',
    onRewardedVideoAdFailedToLoad: 'onRewardedVideoAdFailedToLoad',
    onRewardedVideoAdLoaded: 'onRewardedVideoAdLoaded',
    onRewardedVideoAdOpened: 'onRewardedVideoAdOpened',
    onRewardedVideoStarted: 'onRewardedVideoStarted',
  },
};