code: function handleItemKeydown(e) {
      eventUtils.handleActionKeydown(e, () => {
          this.handleItemClick(e);
      });
  
      eventUtils.handleEscapeKeydown(e, () => {
          this.buttonEl.focus();
          this.setState('expanded', false);
      });
  }
docs: Handle a11y for item (is not handled by makeup)
  https://ebay.gitbooks.io/mindpatterns/content/input/menu.html#keyboard
  @param {KeyboardEvent} e