import { useSystemStoreContext } from '../context/useSystem'; import { useContextSelector } from 'use-context-selector'; export const useSystem = () => { const isPc = useContextSelector(useSystemStoreContext, (state) => state.isPc); const isMac = typeof window !== 'undefined' && window.navigator.userAgent.toLocaleLowerCase().includes('mac'); return { isPc, isMac }; };