Function onKeyDown

packages/react-aria/src/datepicker/useDateSegment.ts:128–149

  };

  let onKeyDown = e => {
    // Firefox does not fire selectstart for Ctrl/Cmd + A
    // https://bugzilla.mozilla.org/show_bug.cgi?id=1742153
    if (e.key === 'a' && (isMac() ? e.metaKey : e.ctrlKey)) {
      e.preventDefault();
    }

    if (e.ctrlKey || e.metaKey || e.shiftKey || e.altKey) {
      return;
    }

    switch (e.key) {
      case 'Backspace':
      case 'Delete': {
        // Safari on iOS does not fire beforeinput for the backspace key because the cursor is at the start.
        e.preventDefault();
        e.stopPropagation();
        backspace();
        break;
      }
    }
  };

  // Safari dayPeriod option doesn't work...
  let {startsWith} = useFilter({sensitivity: 'base'});