goyban
58 lines
1.3 KiB
JavaScript
58 lines
1.3 KiB
JavaScript
'use strict';
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const CACHE_NAME = 'hearts-v1';
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const PRECACHE = [
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'/',
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'/index.html',
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'/style.css',
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'/app.js',
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'/manifest.json',
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'/icons/icon-192.png',
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'/icons/icon-512.png',
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'/icons/icon.svg',
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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(PRECACHE))
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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(keys.filter(k => k !== CACHE_NAME).map(k => caches.delete(k)))
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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('fetch', event => {
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const url = event.request.url;
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if (event.request.method !== 'GET') return;
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if (url.includes('/socket.io/')) return;
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if (url.includes('/cards/')) {
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event.respondWith(
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caches.match(event.request).then(cached => {
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if (cached) return cached;
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return fetch(event.request).then(res => {
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caches.open(CACHE_NAME).then(c => c.put(event.request, res.clone()));
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return res;
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});
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})
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);
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return;
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}
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event.respondWith(
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fetch(event.request)
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.then(res => {
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caches.open(CACHE_NAME).then(c => c.put(event.request, res.clone()));
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return res;
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})
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.catch(() => caches.match(event.request))
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);
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});
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