INNER CODE UNIT · TypeScript

addEventListener

OneSignal/react-native-onesignal · src/index.ts:298

      export function addEventListener(
        _event: 'change',
        listener: (event: PushSubscriptionChangedState) => void,
      ) {
        if (!isNativeModuleLoaded(RNOneSignal)) return;

        isValidCallback(listener);
        RNOneSignal.addPushSubscriptionObserver();
        eventManager.addEventListener(SUBSCRIPTION_CHANGED, listener);
      }

      /** Clears current subscription observers. */
      export function removeEventListener(
        _event: 'change',
        listener: (event: PushSubscriptionChangedState) => void,
      ) {
        if (!isNativeModuleLoaded(RNOneSignal)) return;

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