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reloadApp.js
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reloadApp.js
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import { log } from './log';
function reloadApp(
{ hotReload, hot, liveReload },
{ isUnloading, currentHash }
) {
if (isUnloading || !hotReload) {
return;
}
if (hot) {
log.info('[WDS] App hot update...');
const hotEmitter = require('webpack/hot/emitter');
hotEmitter.emit('webpackHotUpdate', currentHash);
if (typeof self !== 'undefined' && self.window) {
// broadcast update to window
self.postMessage(`webpackHotUpdate${currentHash}`, '*');
}
}
// allow refreshing the page only if liveReload isn't disabled
else if (liveReload) {
let rootWindow = self;
// use parent window for reload (in case we're in an iframe with no valid src)
const intervalId = self.setInterval(() => {
if (rootWindow.location.protocol !== 'about:') {
// reload immediately if protocol is valid
applyReload(rootWindow, intervalId);
} else {
rootWindow = rootWindow.parent;
if (rootWindow.parent === rootWindow) {
// if parent equals current window we've reached the root which would continue forever, so trigger a reload anyways
applyReload(rootWindow, intervalId);
}
}
});
}
function applyReload(rootWindow, intervalId) {
clearInterval(intervalId);
log.info('[WDS] App updated. Reloading...');
rootWindow.location.reload();
}
}
export default reloadApp;