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