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fix: turn service workers back on (#1944)
reconfigure service workers to only cache used assets (excluding .po language files and non-.var.woff2 font files) * fix: turn service workers back on * chore: configure service worker caches * chore: add newline * Fix code style issues with ESLint * chore: limit service-worker caching Co-authored-by: Zach Pomerantz <[email protected]> Co-authored-by: Lint Action <[email protected]>
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Original file line number | Diff line number | Diff line change |
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@@ -1,80 +1,51 @@ | ||
/// <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('/[^/?]+\\.[^/]+$') | ||
registerRoute( | ||
// Return false to exempt requests from being fulfilled by index.html. | ||
({ request, url }: { request: Request; url: URL }) => { | ||
// If this isn't a navigation, skip. | ||
if (request.mode !== 'navigate') { | ||
return false | ||
} | ||
// Precache the relevant assets generated by the build process. | ||
const manifest = self.__WB_MANIFEST.filter((entry) => { | ||
const url = typeof entry === 'string' ? entry : entry.url | ||
// If this is a language file, skip. They are compiled elsewhere. | ||
if (url.endsWith('.po')) { | ||
return false | ||
} | ||
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// If this is a URL that starts with /_, skip. | ||
if (url.pathname.startsWith('/_')) { | ||
return false | ||
} | ||
// If this isn't a var woff2 font, skip. Modern browsers only need var fonts. | ||
if (url.endsWith('.woff') || (url.endsWith('.woff2') && !url.includes('.var'))) { | ||
return false | ||
} | ||
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// If this looks like a URL for a resource, because it contains | ||
// a file extension, skip. | ||
if (url.pathname.match(fileExtensionRegexp)) { | ||
return false | ||
} | ||
return true | ||
}) | ||
precacheAndRoute(manifest) | ||
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// Return true to signal that we want to use the handler. | ||
return true | ||
}, | ||
createHandlerBoundToURL(process.env.PUBLIC_URL + '/index.html') | ||
) | ||
// Set up App Shell-style routing, so that navigation requests are fulfilled | ||
// immediately with a local index.html shell. See | ||
// https://developers.google.com/web/fundamentals/architecture/app-shell | ||
const fileExtensionRegexp = new RegExp('/[^/?]+\\.[^/]+$') | ||
registerRoute(({ request, url }: { request: Request; url: URL }) => { | ||
// If this isn't app.uniswap.org, skip. IPFS gateways may not have domain | ||
// separation, so they cannot use App Shell-style routing. | ||
if (url.hostname !== 'app.uniswap.org') { | ||
return false | ||
} | ||
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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 }), | ||
], | ||
}) | ||
) | ||
// If this isn't a navigation, skip. | ||
if (request.mode !== 'navigate') { | ||
return false | ||
} | ||
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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() | ||
// If this looks like a URL for a resource, skip. | ||
if (url.pathname.match(fileExtensionRegexp)) { | ||
return false | ||
} | ||
}) | ||
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// Any other custom service worker logic can go here. | ||
return true | ||
}, createHandlerBoundToURL(process.env.PUBLIC_URL + '/index.html')) |
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