GoScrobble/web/node_modules/react-dev-utils/noopServiceWorkerMiddleware.js

41 lines
1.3 KiB
JavaScript

/**
* Copyright (c) 2015-present, Facebook, Inc.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
'use strict';
const path = require('path');
module.exports = function createNoopServiceWorkerMiddleware(servedPath) {
return function noopServiceWorkerMiddleware(req, res, next) {
if (req.url === path.join(servedPath, 'service-worker.js')) {
res.setHeader('Content-Type', 'text/javascript');
res.send(
`// This service worker file is effectively a 'no-op' that will reset any
// previous service worker registered for the same host:port combination.
// In the production build, this file is replaced with an actual service worker
// file that will precache your site's local assets.
// See https://github.com/facebook/create-react-app/issues/2272#issuecomment-302832432
self.addEventListener('install', () => self.skipWaiting());
self.addEventListener('activate', () => {
self.clients.matchAll({ type: 'window' }).then(windowClients => {
for (let windowClient of windowClients) {
// Force open pages to refresh, so that they have a chance to load the
// fresh navigation response from the local dev server.
windowClient.navigate(windowClient.url);
}
});
});
`
);
} else {
next();
}
};
};