63 lines
1.4 KiB
JavaScript
63 lines
1.4 KiB
JavaScript
/* eslint-disable no-undef */
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const CACHE_NAME = "bulwark-v1";
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const STATIC_ASSETS = ["/", "/manifest.json"];
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self.addEventListener("install", (event) => {
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event.waitUntil(
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caches.open(CACHE_NAME).then((cache) => {
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return cache.addAll(STATIC_ASSETS);
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})
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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((cacheNames) => {
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return Promise.all(
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cacheNames
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.filter((cacheName) => cacheName !== CACHE_NAME)
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.map((cacheName) => caches.delete(cacheName))
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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("fetch", (event) => {
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// Skip non-GET requests
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if (event.request.method !== "GET") {
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return;
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}
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// Skip API requests and external requests
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if (
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event.request.url.includes("/api/") ||
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!event.request.url.startsWith(self.location.origin)
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) {
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return;
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}
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event.respondWith(
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caches.match(event.request).then((response) => {
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if (response) {
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return response;
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}
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return fetch(event.request).then((response) => {
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if (!response || response.status !== 200 || response.type === "error") {
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return response;
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}
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const responseToCache = response.clone();
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caches.open(CACHE_NAME).then((cache) => {
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cache.put(event.request, responseToCache);
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});
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return response;
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});
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})
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);
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});
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