Function focus

packages/react-aria/src/gridlist/useGridListItem.ts:108–118

()

  // focus to go to the item when the DOM node is reused for a different item in a virtualizer.
  let keyWhenFocused = useRef<Key | null>(null);
  let focus = () => {
    // Don't shift focus to the row if the active element is a element within the row already
    // (e.g. clicking on a row button)
    if (
      ref.current !== null &&
      ((keyWhenFocused.current != null && node.key !== keyWhenFocused.current) ||
        !isFocusWithin(ref.current))
    ) {
      focusSafely(ref.current);
    }
  };

  let treeGridRowProps: HTMLAttributes<HTMLElement> = {};
  let hasChildRows = props.hasChildItems;