83 lines
2.5 KiB
JavaScript
83 lines
2.5 KiB
JavaScript
const isLocalhost = self.location.hostname === "localhost" || self.location.hostname === "127.0.0.1";
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if (!isLocalhost) {
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const STATIC_CACHE = "construction-delivery-static-v1";
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const RUNTIME_CACHE = "construction-delivery-runtime-v1";
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const APP_SHELL_URLS = ["/", "/index.html", "/manifest.webmanifest", "/icons/icon-192.svg", "/icons/icon-512.svg"];
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self.addEventListener("install", (event) => {
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event.waitUntil(
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caches.open(STATIC_CACHE).then((cache) => cache.addAll(APP_SHELL_URLS)).then(() => self.skipWaiting()),
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);
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});
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self.addEventListener("activate", (event) => {
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event.waitUntil(
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caches
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.keys()
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.then((keys) =>
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Promise.all(
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keys
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.filter((key) => ![STATIC_CACHE, RUNTIME_CACHE].includes(key))
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.map((key) => caches.delete(key)),
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),
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)
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.then(() => self.clients.claim())
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.then(async () => {
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const clients = await self.clients.matchAll({ includeUncontrolled: true });
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clients.forEach((client) => client.postMessage({ type: "PWA_OFFLINE_READY" }));
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}),
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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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const isSameOrigin = requestUrl.origin === self.location.origin;
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if (event.request.mode === "navigate") {
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event.respondWith(
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fetch(event.request)
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.then((response) => {
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const responseClone = response.clone();
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caches.open(RUNTIME_CACHE).then((cache) => cache.put(event.request, responseClone));
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return response;
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})
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.catch(async () => {
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const cachedPage = await caches.match(event.request);
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return cachedPage || caches.match("/index.html");
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}),
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);
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return;
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}
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if (!isSameOrigin) {
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return;
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}
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event.respondWith(
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caches.match(event.request).then((cachedResponse) => {
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if (cachedResponse) {
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return cachedResponse;
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}
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return fetch(event.request).then((response) => {
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if (!response || response.status !== 200) {
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return response;
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}
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const responseClone = response.clone();
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caches.open(RUNTIME_CACHE).then((cache) => cache.put(event.request, responseClone));
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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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} else {
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self.addEventListener("install", (event) => self.skipWaiting());
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self.addEventListener("activate", (event) => self.clients.claim());
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}
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