45 lines
1.2 KiB
JavaScript
45 lines
1.2 KiB
JavaScript
let CACHE_STATIC_NAME = "static-v1";
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let CACHE_DYNAMIC_NAME = "dynamic-v2";
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self.addEventListener("install", function (event) {
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console.log("[SW install]", event);
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self.skipWaiting();
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event.waitUntil(
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caches.open(CACHE_STATIC_NAME).then((cache) => {
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console.log("[SW precache]");
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return cache.addAll(["/", "/index.html", "/js/app.js"]);
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}),
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);
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});
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self.addEventListener("activate", function (event) {
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console.log("[SW activate]", event);
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event.waitUntil(caches.keys().then((keys) => {
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console.log("removing the old cache")
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return Promise.all(keys.map(key => {
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if (key !== CACHE_STATIC_NAME) {
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return caches.delete(key)
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}
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}))
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}))
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return self.clients.claim();
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});
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self.addEventListener("fetch", function (event) {
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event.respondWith(
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caches.match(event.request).then((res) => {
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console.log("res", res);
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if (res) {
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return res;
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} else {
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return fetch(event.request).then((res) => {
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// caches.open(CACHE_DYNAMIC_NAME).then((cache) => {
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// cache.put(event.request.url, res.clone());
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// });
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return res;
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});
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}
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}),
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);
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});
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