'use client' import { useSyncExternalStore } from 'react' const useIsClient = () => useSyncExternalStore(emptySubscribe, getSnapshot, getServerSnapshot) const emptySubscribe = () => () => {} const getSnapshot = () => true const getServerSnapshot = () => false export const ClientOnly = ({ children, fallback }: { children: React.ReactNode; fallback: React.ReactNode }) => ( <>{useIsClient() ? children : fallback} )