next
Version:
The React Framework
110 lines (109 loc) • 4.12 kB
JavaScript
;
var _fouc = require("./fouc");
var _onDemandEntriesClient = _interopRequireDefault(require("./on-demand-entries-client"));
var _websocket = require("./error-overlay/websocket");
function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) {
try {
var info = gen[key](arg);
var value = info.value;
} catch (error) {
reject(error);
return;
}
if (info.done) {
resolve(value);
} else {
Promise.resolve(value).then(_next, _throw);
}
}
function _asyncToGenerator(fn) {
return function() {
var self = this, args = arguments;
return new Promise(function(resolve, reject) {
var gen = fn.apply(self, args);
function _next(value) {
asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value);
}
function _throw(err) {
asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err);
}
_next(undefined);
});
};
}
function _interopRequireDefault(obj) {
return obj && obj.__esModule ? obj : {
default: obj
};
}
const data = JSON.parse(document.getElementById('__NEXT_DATA__').textContent);
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// Is there a newer version of this code available?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() {
_tryApplyUpdates = // This function reads code updates on the fly and hard
// reloads the page when it has changed.
_asyncToGenerator(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.substr(0, 1) === '/' ? curPage : `/${curPage}`}`) !== -1 || mod.indexOf(`pages${curPage.substr(0, 1) === '/' ? curPage : `/${curPage}`}`.replace(/\//g, '\\')) !== -1;
});
if (pageUpdated) {
document.location.reload(true);
} else {
curHash = mostRecentHash;
}
} catch (err) {
console.error('Error occurred checking for update', err);
document.location.reload(true);
}
});
return _tryApplyUpdates.apply(this, arguments);
}
function tryApplyUpdates() {
return _tryApplyUpdates.apply(this, arguments);
}
(0, _websocket).addMessageListener((event)=>{
if (event.data === '\uD83D\uDC93') {
return;
}
try {
const message = JSON.parse(event.data);
if (message.action === 'sync' || message.action === 'built') {
if (!message.hash) {
return;
}
mostRecentHash = message.hash;
tryApplyUpdates();
} else if (message.action === 'reloadPage') {
document.location.reload(true);
}
} catch (ex) {
console.warn('Invalid HMR message: ' + event.data + '\n' + ex);
}
});
(0, _websocket).connectHMR({
path: `${assetPrefix}/_next/webpack-hmr`
});
(0, _fouc).displayContent();
(0, _onDemandEntriesClient).default();
//# sourceMappingURL=amp-dev.js.map