Ng5- Idle timeout functionality the application

Ng5- Idle timeout functionality the application
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package.json
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"@ng-idle/core": "2.0.0-beta.10",
"@ng-idle/keepalive": "2.0.0-beta.10",

add the do package and do npm install

environment.ts 
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 idleTimeout : 1440,//In second
 waitTimeout: 60,//In second
 
 to provide timeout duration
 

app.module.ts
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import { NgIdleKeepaliveModule } from '@ng-idle/keepalive'; // core dependncy
import { HttpModule } from '@angular/http';                ///for angluar - bug dependencies


import : [
NgIdleKeepaliveModule.forRoot(),
HttpModule
]

app.comoponent.ts
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import { ActivatedRoute, Router } from '@angular/router';
import { Idle, DEFAULT_INTERRUPTSOURCES } from '@ng-idle/core';
import { Keepalive } from '@ng-idle/keepalive';
import { environment } from '../environments/environment';

private idelTimeOut: boolean = false;
  constructor(private router: Router, private route: ActivatedRoute, private idle: Idle, private keepalive: Keepalive){
    this.isOnline = navigator.onLine;
    //console.log(this.isOnline,"online or offline")
    idle.setIdle(environment.idleTimeout);
    //after X seconds of inactivity, the user will be timed out automatically.
    idle.setTimeout(environment.waitTimeout);
    // sets the default interrupts, in this case, things like clicks, scrolls, touches to the document
    idle.setInterrupts(DEFAULT_INTERRUPTSOURCES);

    //Idle + wait timeout pass hence logout automatically
    idle.onTimeout.subscribe(() => {
      console.log('call out logout');
      this.logout();
    });

    //Idle time passed so, show the timeout modal
    idle.onIdleStart.subscribe(() => {
      this.idelTimeOut = true;
    });

    //Do we really need this keepalive?
    keepalive.interval(15);

    this.start();
  }

  start() {
    //Start watching  idle.
    console.log('idle started')
    this.idle.watch();
    this.idelTimeOut = false;
  }

  reset() {
    this.start();
    console.log('reset idle time');
    //this.commonService.pingServer().subscribe();
  }
  logout(){
    alert("Idle timeout called!");
  }