Function onFocusWithin

packages/react-aria/src/datepicker/useDateField.ts:105–108

(e)

  let {focusWithinProps} = useFocusWithin({
    ...props,
    onFocusWithin(e) {
      valueOnFocus.current = state.value;
      props.onFocus?.(e);
    },
    onBlurWithin: e => {
      state.confirmPlaceholder();
      if (state.value !== valueOnFocus.current) {