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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,73 +1,58 @@ | ||
| /* 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 { precacheAndRoute, createHandlerBoundToURL } from "workbox-precaching"; | ||
| import { registerRoute } from "workbox-routing"; | ||
| import { StaleWhileRevalidate } from "workbox-strategies"; | ||
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| // Import Workbox from CDN | ||
| importScripts("https://storage.googleapis.com/workbox-cdn/releases/6.1.5/workbox-sw.js"); | ||
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| // Claim clients immediately | ||
| 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 | ||
| // Listen for messages from the client to skip waiting | ||
| self.addEventListener("message", (event) => { | ||
| if (event.data && event.data.type === "SKIP_WAITING") { | ||
| self.skipWaiting(); | ||
| } | ||
| }); | ||
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| // Precache all of the assets generated by your build process | ||
| 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("/[^/?]+\\.[^/]+$"); | ||
| // Use StaleWhileRevalidate strategy for navigation requests to ensure fresh content | ||
| registerRoute( | ||
| // Return false to exempt requests from being fulfilled by index.html. | ||
| ({ request, url }) => { | ||
| // If this isn't a navigation, skip. | ||
| if (request.mode !== "navigate") { | ||
| return false; | ||
| } // If this is a URL that starts with /_, skip. | ||
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| if (url.pathname.startsWith("/_")) { | ||
| return false; | ||
| } // If this looks like a URL for a resource, because it contains // a file extension, skip. | ||
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| if (url.pathname.match(fileExtensionRegexp)) { | ||
| return false; | ||
| } // Return true to signal that we want to use the handler. | ||
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| return true; | ||
| }, | ||
| createHandlerBoundToURL(process.env.PUBLIC_URL + "/index.html") | ||
| ({ request }) => request.mode === "navigate", | ||
| new StaleWhileRevalidate({ | ||
| cacheName: "pages-cache", | ||
| plugins: [ | ||
| new ExpirationPlugin({ maxEntries: 50 }), | ||
| ], | ||
| }) | ||
| ); | ||
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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/ | ||
| // Use StaleWhileRevalidate strategy for images and other assets | ||
| 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. | ||
| ({ request }) => request.destination === "image", | ||
| new StaleWhileRevalidate({ | ||
| cacheName: "images", | ||
| cacheName: "images-cache", | ||
| plugins: [ | ||
| // Ensure that once this runtime cache reaches a maximum size the | ||
| // least-recently used images are removed. | ||
| new ExpirationPlugin({ maxEntries: 50 }), | ||
| ], | ||
| }) | ||
| ); | ||
|
|
||
| // 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(); | ||
| } | ||
| }); | ||
| // Do not cache API calls, they should always go to the network | ||
| // No route registered for API calls | ||
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| // Any other custom service worker logic can go here. | ||
| // Fallback for other requests | ||
| registerRoute( | ||
| ({ request }) => request.destination !== "image" && request.mode !== "navigate" && !request.url.includes('/mw/'), | ||
| new StaleWhileRevalidate({ | ||
| cacheName: "default-cache", | ||
| plugins: [ | ||
| new ExpirationPlugin({ maxEntries: 50 }), | ||
| ], | ||
| }) | ||
| ); |
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