118 lines
3.7 KiB
TypeScript
118 lines
3.7 KiB
TypeScript
/* eslint-disable @typescript-eslint/no-unsafe-return */
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/* eslint-disable @typescript-eslint/no-unsafe-member-access */
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/* eslint-disable @typescript-eslint/no-floating-promises */
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/* eslint-disable no-underscore-dangle */
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/* eslint-disable no-restricted-globals */
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/// <reference lib="webworker" />
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// This service worker can be customized!
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// See https://developers.google.com/web/tools/workbox/modules
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// for the list of available Workbox modules, or add any other
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// code you'd like.
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// You can also remove this file if you'd prefer not to use a
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// service worker, and the Workbox build step will be skipped.
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import { clientsClaim } from 'workbox-core';
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import { ExpirationPlugin } from 'workbox-expiration';
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import { precacheAndRoute, createHandlerBoundToURL } from 'workbox-precaching';
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import { registerRoute } from 'workbox-routing';
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import { CacheFirst, NetworkFirst, Strategy } 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.
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// Their URLs are injected into the manifest variable below.
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// This variable must be present somewhere in your service worker file,
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// even if you decide not to use precaching. See https://cra.link/PWA
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precacheAndRoute(self.__WB_MANIFEST);
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// Set up App Shell-style routing, so that all navigation requests
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// are fulfilled with your index.html shell. Learn more at
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// https://developers.google.com/web/fundamentals/architecture/app-shell
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const fileExtensionRegexp = /\/[^/?]+\.[^/]+$/;
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registerRoute(
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// Return false to exempt requests from being fulfilled by index.html.
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({ request, url }: { request: Request; url: URL }) => {
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// If this isn't a navigation, skip.
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if (request.mode !== 'navigate') {
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return false;
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}
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// If this is a URL that starts with /_, skip.
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if (url.pathname.startsWith('/_')) {
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return false;
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}
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// If this looks like a URL for a resource, because it contains
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// a file extension, skip.
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if (url.pathname.match(fileExtensionRegexp)) {
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return false;
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}
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// Return true to signal that we want to use the handler.
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return true;
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},
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createHandlerBoundToURL(`${process.env.PUBLIC_URL}/index.html`),
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);
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registerRoute(
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({ url }) => url.origin === self.location.origin && url.pathname.includes('/api/thumbnails/'),
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new CacheFirst({
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cacheName: 'thumbnails',
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plugins: [
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new ExpirationPlugin({ maxEntries: 50 }),
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],
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}),
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);
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registerRoute(
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({ url }) => /^\/\w+\.(mp4|webm|png|webp|gif|avif|jpeg|jpg)/gm.test(url.pathname),
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new CacheFirst({
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cacheName: 'fulls',
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plugins: [
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new ExpirationPlugin({ maxEntries: 30 }),
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],
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}),
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);
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registerRoute(
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({ url }) => url.origin === self.location.origin && url.pathname.endsWith('.json'),
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new CacheFirst({
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cacheName: 'json',
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}),
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);
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registerRoute(
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({ url }) => url.origin === self.location.origin && (url.pathname.includes('/api/images') || url.pathname.includes('/api/meta')),
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new NetworkFirst({
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cacheName: 'imageData',
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}),
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);
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class MyStrategy extends Strategy {
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// eslint-disable-next-line class-methods-use-this
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async _handle(request: any, handler: { fetch: (arg0: any) => any; }) {
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if (request.mode === 'navigate') {
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await handler.fetch(request);
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return Response.redirect('/', 302);
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}
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return handler.fetch(request);
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}
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}
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registerRoute(
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({ url }) => url.origin === self.location.origin && url.pathname.includes('/api/images'),
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new MyStrategy(),
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'POST',
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);
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// This allows the web app to trigger skipWaiting via
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// registration.waiting.postMessage({type: 'SKIP_WAITING'})
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self.addEventListener('message', (event) => {
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if (event.data && event.data.type === 'SKIP_WAITING') {
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self.skipWaiting();
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}
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});
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// Any other custom service worker logic can go here.
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