import React, {FunctionComponent} from 'react'; import Head from 'next/head'; type PreloaderProps = { url: string; as?: | 'audio' | 'document' | 'embed' | 'fetch' | 'font' | 'image' | 'object' | 'script' | 'style' | 'track' | 'worker' | 'video'; }; const Preloader: FunctionComponent = ({url, as}) => process.env.API_TOKEN_KEY ? null : ( ); export default Preloader;