Angular scroll performance tuning

FooComponent.ts

import {fromEvent} from 'rxjs/observable/fromEvent';
import {animationFrame} from 'rxjs/scheduler/animationFrame';

export class FooComponent implements AfterViewInit {
  ....
  ngAfterViewInit() {
    // Angular scroll performance tuning
    this.zone.runOutsideAngular(() => {
      fromEvent(window, 'scroll').subscribe(() => {
        animationFrame.schedule(() => {
          this.zone.run(() => {
            this.action();
          });
        });
      });
    });
  }
  action() {
    // Do something
  }
}