Function getFocusedTreeItemValue

src/aria/tree/tree.spec.ts:141–152

()

  }

  function getFocusedTreeItemValue(): string | undefined {
    let item: HTMLElement | undefined;
    if (testComponent.focusMode() === 'roving') {
      item = treeItemElements.find(el => el.getAttribute('tabindex') === '0');
    } else {
      const itemId = treeElement.getAttribute('aria-activedescendant');
      if (itemId) {
        item = treeItemElements.find(el => el.id === itemId);
      }
    }
    return item?.getAttribute('data-value') ?? undefined;
  }

  async function expandAll() {
    const fruitsEl = getTreeItemElementByValue('fruits')!;