mirror of
https://github.com/elk-zone/elk.git
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108 lines
3.2 KiB
TypeScript
108 lines
3.2 KiB
TypeScript
/// <reference lib="WebWorker" />
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/// <reference types="vite/client" />
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import { cleanupOutdatedCaches, createHandlerBoundToURL, precacheAndRoute } from 'workbox-precaching'
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import { NavigationRoute, registerRoute } from 'workbox-routing'
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import { CacheableResponsePlugin } from 'workbox-cacheable-response'
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import { NetworkFirst, StaleWhileRevalidate } from 'workbox-strategies'
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import { ExpirationPlugin } from 'workbox-expiration'
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import { onNotificationClick, onPush } from './web-push-notifications'
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import { onShareTarget } from './share-target'
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declare const self: ServiceWorkerGlobalScope
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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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const entries = self.__WB_MANIFEST
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if (import.meta.env.DEV)
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entries.push({ url: '/', revision: Math.random().toString() })
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precacheAndRoute(entries)
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// clean old assets
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cleanupOutdatedCaches()
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// allow only fallback in dev: we don't want to cache anything
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let allowlist: undefined | RegExp[]
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if (import.meta.env.DEV)
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allowlist = [/^\/$/]
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// deny api and server page calls
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let denylist: undefined | RegExp[]
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if (import.meta.env.PROD) {
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denylist = [
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/^\/api\//,
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/^\/login\//,
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/^\/oauth\//,
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/^\/signin\//,
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/^\/web-share-target\//,
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// exclude emoji: has its own cache
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/^\/emojis\//,
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// exclude sw: if the user navigates to it, fallback to index.html
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/^\/sw.js$/,
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// exclude webmanifest: has its own cache
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/^\/manifest-(.*).webmanifest$/,
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]
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}
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// only cache pages and external assets on local build + start or in production
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if (import.meta.env.PROD) {
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// include webmanifest cache
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registerRoute(
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({ request, sameOrigin }) =>
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sameOrigin && request.destination === 'manifest',
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new NetworkFirst({
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cacheName: 'elk-webmanifest',
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plugins: [
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new CacheableResponsePlugin({ statuses: [200] }),
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// we only need a few entries
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new ExpirationPlugin({ maxEntries: 100 }),
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],
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}),
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)
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// include emoji icons
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registerRoute(
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({ sameOrigin, request, url }) =>
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sameOrigin
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&& request.destination === 'image'
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&& url.pathname.startsWith('/emojis/'),
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new StaleWhileRevalidate({
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cacheName: 'elk-emojis',
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plugins: [
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new CacheableResponsePlugin({ statuses: [200] }),
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// 15 days max
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new ExpirationPlugin({ purgeOnQuotaError: true, maxAgeSeconds: 60 * 60 * 24 * 15 }),
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],
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}),
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)
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// external assets: rn avatars from mas.to
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// requires <img crossorigin="anonymous".../> and http header: Allow-Control-Allow-Origin: *
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/*
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registerRoute(
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({ sameOrigin, request }) => !sameOrigin && request.destination === 'image',
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new NetworkFirst({
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cacheName: 'elk-external-media',
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plugins: [
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// add opaque responses?
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new CacheableResponsePlugin({ statuses: [/!* 0, *!/200] }),
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// 15 days max
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new ExpirationPlugin({ maxAgeSeconds: 60 * 60 * 24 * 15 }),
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],
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}),
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)
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*/
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}
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// to allow work offline
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registerRoute(new NavigationRoute(
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createHandlerBoundToURL('/'),
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{ allowlist, denylist },
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))
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self.addEventListener('push', onPush)
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self.addEventListener('notificationclick', onNotificationClick)
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self.addEventListener('fetch', onShareTarget)
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