Method constructor

src/aria/combobox/combobox.spec.ts:1519–1528

()

  });

  constructor() {
    afterRenderEffect(() => {
      const active = this.tree()?._pattern.inputs.activeItem();
      if (active) {
        untracked(() => {
          active.element()?.scrollIntoView({block: 'nearest'});
        });
      }
    });
  }

  flattenTreeNodes(nodes: TreeNode[]): TreeNode[] {
    return nodes.flatMap(node => {