61 lines
2.6 KiB
JavaScript
61 lines
2.6 KiB
JavaScript
import _async_to_generator from "@swc/helpers/src/_async_to_generator.mjs";
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import Router from 'next/router';
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import { addMessageListener, sendMessage } from './error-overlay/websocket';
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export default _async_to_generator(function*(page) {
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if (page) {
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// in AMP the router isn't initialized on the client and
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// client-transitions don't occur so ping initial page
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setInterval(()=>{
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sendMessage(JSON.stringify({
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event: 'ping',
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page
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}));
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}, 2500);
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} else {
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Router.ready(()=>{
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setInterval(()=>{
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// when notFound: true is returned we should use the notFoundPage
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// as the Router.pathname will point to the 404 page but we want
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// to ping the source page that returned notFound: true instead
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const notFoundSrcPage = self.__NEXT_DATA__.notFoundSrcPage;
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const pathname = (Router.pathname === '/404' || Router.pathname === '/_error') && notFoundSrcPage ? notFoundSrcPage : Router.pathname;
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sendMessage(JSON.stringify({
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event: 'ping',
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page: pathname
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}));
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}, 2500);
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});
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}
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addMessageListener((event)=>{
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if (event.data.indexOf('{') === -1) return;
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try {
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const payload = JSON.parse(event.data);
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// don't attempt fetching the page if we're already showing
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// the dev overlay as this can cause the error to be triggered
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// repeatedly
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if (payload.event === 'pong' && payload.invalid && !self.__NEXT_DATA__.err) {
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// Payload can be invalid even if the page does exist.
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// So, we check if it can be created.
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fetch(location.href, {
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credentials: 'same-origin'
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}).then((pageRes)=>{
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if (pageRes.status === 200) {
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// Page exists now, reload
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location.reload();
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} else {
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// Page doesn't exist
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if (self.__NEXT_DATA__.page === Router.pathname && Router.pathname !== '/_error') {
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// We are still on the page,
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// reload to show 404 error page
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location.reload();
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}
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}
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});
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}
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} catch (err) {
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console.error('on-demand-entries failed to parse response', err);
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}
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});
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});
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//# sourceMappingURL=on-demand-entries-client.js.map
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