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elk/service-worker/sw.ts

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/// <reference lib="WebWorker" />
/// <reference types="vite/client" />
import { cleanupOutdatedCaches, createHandlerBoundToURL, precacheAndRoute } from 'workbox-precaching'
import { NavigationRoute, registerRoute } from 'workbox-routing'
import { onNotificationClick, onPush } from './web-push-notifications'
declare const self: ServiceWorkerGlobalScope
/*
import { CacheableResponsePlugin } from 'workbox-cacheable-response'
import { NetworkFirst, StaleWhileRevalidate } from 'workbox-strategies'
import { ExpirationPlugin } from 'workbox-expiration'
*/
self.addEventListener('message', (event) => {
if (event.data && event.data.type === 'SKIP_WAITING')
self.skipWaiting()
})
const entries = self.__WB_MANIFEST
if (import.meta.env.DEV)
entries.push({ url: '/', revision: Math.random().toString() })
precacheAndRoute(entries)
// clean old assets
cleanupOutdatedCaches()
// allow only fallback in dev: we don't want to cache anything
let allowlist: undefined | RegExp[]
if (import.meta.env.DEV)
allowlist = [/^\/$/]
// deny api and server page calls
let denylist: undefined | RegExp[]
if (import.meta.env.PROD)
denylist = [/^\/api\//, /^\/login\//, /^\/oauth\//, /^\/signin\//]
// only cache pages and external assets on local build + start or in production
if (import.meta.env.PROD) {
// external assets: rn avatars from mas.to
// requires <img crossorigin="anonymous".../> and http header: Allow-Control-Allow-Origin: *
/*
registerRoute(
({ sameOrigin, request }) => !sameOrigin && request.destination === 'image',
new NetworkFirst({
cacheName: 'elk-external-media',
plugins: [
// add opaque responses?
new CacheableResponsePlugin({ statuses: [/!* 0, *!/200] }),
// 15 days max
new ExpirationPlugin({ maxAgeSeconds: 60 * 60 * 24 * 15 }),
],
}),
)
*/
}
// to allow work offline
registerRoute(new NavigationRoute(
createHandlerBoundToURL('/'),
{ allowlist, denylist },
))
self.addEventListener('push', onPush)
self.addEventListener('notificationclick', onNotificationClick)