crabfit/crabfit-frontend/src/sw.js
2021-06-16 23:48:43 +10:00

69 lines
2.3 KiB
JavaScript

/* eslint-disable no-restricted-globals */
import { clientsClaim, skipWaiting } from 'workbox-core';
import { ExpirationPlugin } from 'workbox-expiration';
import { precacheAndRoute, createHandlerBoundToURL } from 'workbox-precaching';
import { registerRoute } from 'workbox-routing';
import { StaleWhileRevalidate, NetworkFirst } from 'workbox-strategies';
skipWaiting();
clientsClaim();
// Injection point
precacheAndRoute(self.__WB_MANIFEST);
// 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 }) => {
// If this isn't a navigation, skip.
if (request.mode !== 'navigate') {
return false;
} // If this is a URL that starts with /_, skip.
if (url.pathname.startsWith('/_')) {
return false;
} // If this looks like a URL for a resource, because it contains // a file extension, skip.
if (url.pathname.match(fileExtensionRegexp)) {
return false;
} // Return true to signal that we want to use the handler.
return true;
},
createHandlerBoundToURL(process.env.PUBLIC_URL + '/index.html')
);
registerRoute(
// Add in any other file extensions or routing criteria as needed.
({ url }) => url.origin === self.location.origin && (
url.pathname.endsWith('.png')
|| url.pathname.endsWith('.svg')
|| url.pathname.endsWith('.jpg')
|| url.pathname.endsWith('.jpeg')
|| url.pathname.endsWith('.ico')
|| url.pathname.endsWith('.ttf')
|| url.pathname.endsWith('.woff')
|| url.pathname.endsWith('.woff2')
), // Customize this strategy as needed, e.g., by changing to CacheFirst.
new StaleWhileRevalidate({
cacheName: 'res',
plugins: [
// Ensure that once this runtime cache reaches a maximum size the
// least-recently used images are removed.
new ExpirationPlugin({ maxEntries: 50 }),
],
})
);
registerRoute(
// Add in any other file extensions or routing criteria as needed.
({ url }) => url.origin === self.location.origin && url.pathname.includes('i18n'),
new NetworkFirst({
cacheName: 'i18n',
})
);