in src/theme/Navbar/MobileSidebar/SecondaryMenu/index.tsx [27:35]
export default function NavbarMobileSidebarSecondaryMenu(): JSX.Element | null {
const isPrimaryMenuEmpty = useThemeConfig().navbar.items.length === 0;
const secondaryMenu = useNavbarSecondaryMenu();
return (
<>
{/* edge-case: prevent returning to the primaryMenu when it's empty */}
{!isPrimaryMenuEmpty && (
<SecondaryMenuBackButton onClick={() => secondaryMenu.hide()} />
)}