next
Version:
The React Framework
86 lines (84 loc) • 3.69 kB
JavaScript
;
var _async_to_generator = require("@swc/helpers/lib/_async_to_generator.js").default;
var _interop_require_default = require("@swc/helpers/lib/_interop_require_default.js").default;
var _fouc = require("./fouc");
var _onDemandEntriesClient = _interop_require_default(require("./on-demand-entries-client"));
var _websocket = require("./error-overlay/websocket");
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// Is there a newer version of this code available?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';
}
function tryApplyUpdates() {
return _tryApplyUpdates.apply(this, arguments);
}
function _tryApplyUpdates() {
_tryApplyUpdates = // This function reads code updates on the fly and hard
// reloads the page when it has changed.
_async_to_generator(function*() {
if (!isUpdateAvailable() || !canApplyUpdates()) {
return;
}
try {
const res = yield fetch(typeof __webpack_runtime_id__ !== 'undefined' ? `${hotUpdatePath}${curHash}.${__webpack_runtime_id__}.hot-update.json` : `${hotUpdatePath}${curHash}.hot-update.json`);
const jsonData = yield res.json();
const curPage = page === '/' ? 'index' : page;
// webpack 5 uses an array instead
const pageUpdated = (Array.isArray(jsonData.c) ? jsonData.c : Object.keys(jsonData.c)).some((mod)=>{
return mod.indexOf(`pages${curPage.startsWith('/') ? curPage : `/${curPage}`}`) !== -1 || mod.indexOf(`pages${curPage.startsWith('/') ? curPage : `/${curPage}`}`.replace(/\//g, '\\')) !== -1;
});
if (pageUpdated) {
document.location.reload(true);
} else {
curHash = mostRecentHash;
}
} catch (err) {
console.error('Error occurred checking for update', err);
document.location.reload(true);
}
});
return _tryApplyUpdates.apply(this, arguments);
}
(0, _websocket).addMessageListener((event)=>{
if (event.data === '\uD83D\uDC93') {
return;
}
try {
const message = JSON.parse(event.data);
if (message.action === 'sync' || message.action === 'built') {
if (!message.hash) {
return;
}
mostRecentHash = message.hash;
tryApplyUpdates();
} else if (message.action === 'reloadPage') {
document.location.reload(true);
}
} catch (ex) {
console.warn('Invalid HMR message: ' + event.data + '\n' + ex);
}
});
(0, _websocket).connectHMR({
assetPrefix,
path: '/_next/webpack-hmr'
});
(0, _fouc).displayContent();
(0, _onDemandEntriesClient).default(data.page);
if ((typeof exports.default === 'function' || (typeof exports.default === 'object' && exports.default !== null)) && typeof exports.default.__esModule === 'undefined') {
Object.defineProperty(exports.default, '__esModule', { value: true });
Object.assign(exports.default, exports);
module.exports = exports.default;
}
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