CODE EXAMPLE FOR TYPESCRIPT

angular8 PrimeNg tabview

export class AppTabViewComponent implements AfterViewInit, OnInit {

  closable: boolean = true

  model: any[];

  activeIndex = 0

  @Input()
  tabs: MenuItem[] = [];

  menuSourceSubscription: Subscription;


  constructor(public appMain: AppMainComponent, public menuService: MenuService,
    public changeDetectorRef: ChangeDetectorRef, public zone: NgZone,
    private sanitizer: DomSanitizer) {

    this.menuSourceSubscription = this.menuService.menuSource$.subscribe(key => {
      this.openNewTab(key)
    });
  }

  ngAfterViewInit(): void {
    this.closable = true
  }


  handleClose(e) {
    console.log(e.index)
    this.tabs.splice(e.index-1,1)
    if (this.tabs.length == 0){
      this.activeIndex = 0
    }else{
      if(this.activeIndex === e.index){
        this.activeIndex = e.index - 1
      }
    }
    e.close();
  }


  openNewTab(item): void {
    if (this.tabs.indexOf(item) > -1) {
      setTimeout(() => {
        this.activeIndex = this.tabs.indexOf(item) + 1;
      })
    } else {
      item.routerLink = this.sanitizer.bypassSecurityTrustResourceUrl(window.location.protocol + '//' + window.location.host + '/#' + item.routerLink[0])
      console.log(item)
      this.tabs.push(item);
      setTimeout(() => {
        this.activeIndex = this.tabs.length;
      })
    }
  }


  // onContextMenu(event, id) {
  //   console.log(event.originalEvent.target)
  // }

  ngOnInit() {
  }
}