88 lines
2.0 KiB
JavaScript
88 lines
2.0 KiB
JavaScript
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const CACHE_NAME = 'badminton-scoreboard-v1'
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const APP_SHELL = [
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'/',
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'/index.html',
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'/manifest.webmanifest',
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'/favicon.svg',
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'/apple-touch-icon.png',
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'/pwa-192.png',
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'/pwa-512.png',
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]
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self.addEventListener('install', (event) => {
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event.waitUntil(
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caches.open(CACHE_NAME).then((cache) => cache.addAll(APP_SHELL)),
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)
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self.skipWaiting()
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})
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self.addEventListener('activate', (event) => {
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event.waitUntil(
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caches.keys().then((keys) =>
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Promise.all(
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keys.map((key) => {
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if (key !== CACHE_NAME) {
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return caches.delete(key)
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}
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return Promise.resolve(false)
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}),
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),
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),
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)
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self.clients.claim()
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})
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self.addEventListener('message', (event) => {
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if (event.data?.type === 'SKIP_WAITING') {
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self.skipWaiting()
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}
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})
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self.addEventListener('fetch', (event) => {
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if (event.request.method !== 'GET') {
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return
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}
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const requestUrl = new URL(event.request.url)
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if (requestUrl.origin !== self.location.origin) {
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return
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}
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event.respondWith(
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caches.match(event.request).then(async (cachedResponse) => {
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if (cachedResponse) {
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return cachedResponse
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}
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try {
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const networkResponse = await fetch(event.request)
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if (
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networkResponse.ok &&
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(event.request.destination === 'document' ||
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event.request.destination === 'script' ||
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event.request.destination === 'style' ||
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event.request.destination === 'image' ||
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requestUrl.pathname.startsWith('/assets/'))
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) {
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const cache = await caches.open(CACHE_NAME)
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cache.put(event.request, networkResponse.clone())
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}
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return networkResponse
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} catch (error) {
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if (event.request.mode === 'navigate') {
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const fallback = await caches.match('/index.html')
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if (fallback) {
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return fallback
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}
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}
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throw error
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}
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}),
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)
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})
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