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The React Framework

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import Router from '../router'; import { sendMessage } from '../components/react-dev-overlay/pages/websocket'; export default (async (page)=>{ // Never send pings when using Turbopack as it's not used. // Pings were originally used to keep track of active routes in on-demand-entries with webpack. if (process.env.TURBOPACK) { return; } if (page) { // in AMP the router isn't initialized on the client and // client-transitions don't occur so ping initial page setInterval(()=>{ sendMessage(JSON.stringify({ event: 'ping', page })); }, 2500); } else { Router.ready(()=>{ setInterval(()=>{ // when notFound: true is returned we should use the notFoundPage // as the Router.pathname will point to the 404 page but we want // to ping the source page that returned notFound: true instead const notFoundSrcPage = self.__NEXT_DATA__.notFoundSrcPage; const pathname = (Router.pathname === '/404' || Router.pathname === '/_error') && notFoundSrcPage ? notFoundSrcPage : Router.pathname; sendMessage(JSON.stringify({ event: 'ping', page: pathname })); }, 2500); }); } }); //# sourceMappingURL=on-demand-entries-client.js.map