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fix service worker after update to create-react-app 4
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,15 @@ | ||
| import { ReportHandler } from 'web-vitals'; | ||
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| const reportWebVitals = (onPerfEntry?: ReportHandler): void => { | ||
| if (onPerfEntry && onPerfEntry instanceof Function) { | ||
| import('web-vitals').then(({ getCLS, getFID, getFCP, getLCP, getTTFB }) => { | ||
| getCLS(onPerfEntry); | ||
| getFID(onPerfEntry); | ||
| getFCP(onPerfEntry); | ||
| getLCP(onPerfEntry); | ||
| getTTFB(onPerfEntry); | ||
| }); | ||
| } | ||
| }; | ||
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| export default reportWebVitals; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,80 @@ | ||
| /// <reference lib="webworker" /> | ||
| /* eslint-disable no-restricted-globals */ | ||
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| // This service worker can be customized! | ||
| // See https://developers.google.com/web/tools/workbox/modules | ||
| // for the list of available Workbox modules, or add any other | ||
| // code you'd like. | ||
| // You can also remove this file if you'd prefer not to use a | ||
| // service worker, and the Workbox build step will be skipped. | ||
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| import { clientsClaim } from 'workbox-core'; | ||
| import { ExpirationPlugin } from 'workbox-expiration'; | ||
| import { createHandlerBoundToURL, precacheAndRoute } from 'workbox-precaching'; | ||
| import { registerRoute } from 'workbox-routing'; | ||
| import { StaleWhileRevalidate } from 'workbox-strategies'; | ||
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| declare const self: ServiceWorkerGlobalScope; | ||
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| clientsClaim(); | ||
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| // Precache all of the assets generated by your build process. | ||
| // Their URLs are injected into the manifest variable below. | ||
| // This variable must be present somewhere in your service worker file, | ||
| // even if you decide not to use precaching. See https://cra.link/PWA | ||
| precacheAndRoute(self.__WB_MANIFEST); | ||
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| // Set up App Shell-style routing, so that all navigation requests | ||
| // are fulfilled with your index.html shell. Learn more at | ||
| // https://developers.google.com/web/fundamentals/architecture/app-shell | ||
| const fileExtensionRegexp = new RegExp('/[^/?]+\\.[^/]+$'); | ||
| registerRoute( | ||
| // Return false to exempt requests from being fulfilled by index.html. | ||
| ({ request, url }: { request: Request; url: URL }) => { | ||
| // If this isn't a navigation, skip. | ||
| if (request.mode !== 'navigate') { | ||
| return false; | ||
| } | ||
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| // If this is a URL that starts with /_, skip. | ||
| if (url.pathname.startsWith('/_')) { | ||
| return false; | ||
| } | ||
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| // If this looks like a URL for a resource, because it contains | ||
| // a file extension, skip. | ||
| if (url.pathname.match(fileExtensionRegexp)) { | ||
| return false; | ||
| } | ||
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| // Return true to signal that we want to use the handler. | ||
| return true; | ||
| }, | ||
| createHandlerBoundToURL(process.env.PUBLIC_URL + '/index.html'), | ||
| ); | ||
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| // An example runtime caching route for requests that aren't handled by the | ||
| // precache, in this case same-origin .png requests like those from in public/ | ||
| registerRoute( | ||
| // Add in any other file extensions or routing criteria as needed. | ||
| ({ url }) => url.origin === self.location.origin && url.pathname.endsWith('.png'), | ||
| // Customize this strategy as needed, e.g., by changing to CacheFirst. | ||
| new StaleWhileRevalidate({ | ||
| cacheName: 'images', | ||
| plugins: [ | ||
| // Ensure that once this runtime cache reaches a maximum size the | ||
| // least-recently used images are removed. | ||
| new ExpirationPlugin({ maxEntries: 50 }), | ||
| ], | ||
| }), | ||
| ); | ||
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| // This allows the web app to trigger skipWaiting via | ||
| // registration.waiting.postMessage({type: 'SKIP_WAITING'}) | ||
| self.addEventListener('message', (event) => { | ||
| if (event.data && event.data.type === 'SKIP_WAITING') { | ||
| self.skipWaiting(); | ||
| } | ||
| }); | ||
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| // Any other custom service worker logic can go here. |
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