viewfinder/packages/kitchen-sink/react-next/src/pages/_app.tsx

import type { AppProps } from 'next/app'
import { setup } from '@tesseract-design/viewfinder-react';
import * as gooberPrefixer from 'goober/prefixer';
import * as React from 'react';

setup(React.createElement, gooberPrefixer.prefix);

const MyApp: React.FC<AppProps> = ({ Component, pageProps }) => <Component {...pageProps} />

export default MyApp