/* globals __webpack_hash__ */ import { displayContent } from './fouc';
import initOnDemandEntries from './on-demand-entries-client';
import { addMessageListener, connectHMR } from './hot-reloader/pages/websocket';
import { HMR_ACTIONS_SENT_TO_BROWSER } from '../../server/dev/hot-reloader-types';
import { reportInvalidHmrMessage } from './hot-reloader/shared';
/// <reference types="webpack/module.d.ts" />
const data = JSON.parse(document.getElementById('__NEXT_DATA__').textContent);
window.__NEXT_DATA__ = data;
let { assetPrefix, page } = data;
assetPrefix = assetPrefix || '';
let mostRecentHash = null;
/* eslint-disable-next-line */ let curHash = __webpack_hash__;
const hotUpdatePath = assetPrefix + (assetPrefix.endsWith('/') ? '' : '/') + '_next/static/webpack/';
// Is there a newer version of this code available?
function isUpdateAvailable() {
    // __webpack_hash__ is the hash of the current compilation.
    // It's a global variable injected by Webpack.
    /* eslint-disable-next-line */ return mostRecentHash !== __webpack_hash__;
}
// Webpack disallows updates in other states.
function canApplyUpdates() {
    return module.hot.status() === 'idle';
}
// This function reads code updates on the fly and hard
// reloads the page when it has changed.
async function tryApplyUpdates() {
    if (!isUpdateAvailable() || !canApplyUpdates()) {
        return;
    }
    try {
        const res = await fetch(typeof __webpack_runtime_id__ !== 'undefined' ? "" + hotUpdatePath + curHash + "." + __webpack_runtime_id__ + ".hot-update.json" : "" + hotUpdatePath + curHash + ".hot-update.json");
        const jsonData = await res.json();
        const curPage = page === '/' ? 'index' : page;
        // webpack 5 uses an array instead
        const pageUpdated = (Array.isArray(jsonData.c) ? jsonData.c : Object.keys(jsonData.c)).some((mod)=>{
            return mod.indexOf("pages" + (curPage.startsWith('/') ? curPage : "/" + curPage)) !== -1 || mod.indexOf(("pages" + (curPage.startsWith('/') ? curPage : "/" + curPage)).replace(/\//g, '\\')) !== -1;
        });
        if (pageUpdated) {
            window.location.reload();
        } else {
            curHash = mostRecentHash;
        }
    } catch (err) {
        console.error('Error occurred checking for update', err);
        window.location.reload();
    }
}
addMessageListener((message)=>{
    if (!('action' in message)) {
        return;
    }
    try {
        // actions which are not related to amp-dev
        if (message.action === HMR_ACTIONS_SENT_TO_BROWSER.SERVER_ERROR || message.action === HMR_ACTIONS_SENT_TO_BROWSER.DEV_PAGES_MANIFEST_UPDATE) {
            return;
        }
        if (message.action === HMR_ACTIONS_SENT_TO_BROWSER.SYNC || message.action === HMR_ACTIONS_SENT_TO_BROWSER.BUILT) {
            if (!message.hash) {
                return;
            }
            mostRecentHash = message.hash;
            tryApplyUpdates();
        } else if (message.action === HMR_ACTIONS_SENT_TO_BROWSER.RELOAD_PAGE) {
            window.location.reload();
        }
    } catch (err) {
        reportInvalidHmrMessage(message, err);
    }
});
connectHMR({
    assetPrefix,
    path: '/_next/webpack-hmr'
});
displayContent();
initOnDemandEntries(data.page);

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