Function handler

packages/@react-spectrum/s2/src/TableView.tsx:1705–1711

(e: KeyboardEvent)

    let dialog = dialogRef.current?.UNSAFE_getDOMNode();
    if (isOpen && dialog && !prevIsOpen.current) {
      let handler = (e: KeyboardEvent) => {
        if (e.key === 'Escape') {
          cancel();
          e.stopPropagation();
          e.preventDefault();
        }
      };
      dialog.addEventListener('keydown', handler);
      prevIsOpen.current = isOpen;
      return () => {