import mediaQuery from 'css-mediaquery'; import { ThemeProvider } from '@mui/material/styles'; import useMediaQuery from '@mui/material/useMediaQuery'; function MyComponent() { const matches = useMediaQuery('(min-width:600px)'); return {`(min-width:600px) matches: ${matches}`}; } export default function ServerSide() { const ssrMatchMedia = (query) => ({ matches: mediaQuery.match(query, { // The estimated CSS width of the browser. width: 800, }), }); return ( ); }