Method startObserving

src/aria/private/utils/collection.ts:46–59

(element: HTMLElement)

  }

  startObserving(element: HTMLElement) {
    if (this._observer) {
      this._observer.disconnect();
    }

    this._observer = new MutationObserver(mutations => {
      const hasStructuralChange = mutations.some(m => m.addedNodes.length || m.removedNodes.length);
      if (hasStructuralChange) {
        this._version.update(v => v + 1);
      }
    });

    this._observer.observe(element, {childList: true, subtree: true});
  }

  stopObserving() {
    this._observer?.disconnect();