anchor.diff:    HtmlElement _shrinkElement;
     HtmlElement host;
     ResizeEvent resizeEvent = new ResizeEvent();
  +  bool active = false;
   
     ResizeSensorComponent(ElementRef hostElement) {
       dynamic _host = hostElement.nativeElement;
  
positive.code:   }
  
    void onScroll() {
      resizeEvent._sizesRecheck(resize);
      reset();
    }
  
negative.code:   void ngOnInit() {
      reset();
      if(host.parent == null){
        // if *ngIf used, component is created detached
        // Component is not attached in DOM. No idea why, no idea what to do.
      }else{
        resizeEvent.sizeCheckedElement = host.parent;
        active = true;
      }
    }
  
  