Receiving update from codepush

app.component.ts

import { SyncStatus } from 'capacitor-codepush/dist/esm/syncStatus';
import { codePush, InstallMode } from 'capacitor-codepush';
import { Component } from '@angular/core';
import { Platform } from '@ionic/angular';
import { SplashScreen } from '@capacitor/splash-screen';
import { App } from '@capacitor/app';

@Component({
  selector: "app-root",
  templateUrl: "app.component.html",
  styleUrls: ["app.component.scss"],
})
export class AppComponent {
  constructor(private platform: Platform) {
    this.initializeApp();
    this.checkUpdate();
   
  }

private initializeApp() {
    this.platform.ready().then(async() => {
      SplashScreen.hide();
})
}

 checkUpdate(){
  

  App.addListener('appStateChange', ({ isActive }) => {
    let deploymentKey;

    if(this.platform.is('ios')){
      deploymentKey = 'YOUR_IOS_DEPLYMENT_KEY' // make sure you get this from your env
    }else if(this.platform.is('android')){
     deploymentKey = 'YOUR_ANDROID_DEPLOYMENT_KEY' // make sure you get this from your env
    }
    if (isActive) {
      codePush.sync({installMode: InstallMode.IMMEDIATE,deploymentKey:deploymentKey})
      .then(
          (status) => {
              switch (status) {
                  case SyncStatus.DOWNLOADING_PACKAGE:
                     //you can popup an alert here
                      break;
                  case SyncStatus.INSTALLING_UPDATE:
                    //you can popup an alert here
                      break;
                    case SyncStatus.ERROR:
                      console.log("----------------Error------------")
                      break;
              }
          },err=>{
            console.log(err)
          }
      );
    }
});
 }