94 lines
2.6 KiB
JavaScript
94 lines
2.6 KiB
JavaScript
function deleteoldcache() {
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caches.delete("cache");
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console.log("this ran :P");
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}
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async function putInCache(request, response) {
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console.log(request, response);
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const cache = await caches.open("cache");
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console.log("Grabbed");
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try {
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console.log(await cache.put(request, response));
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}
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catch (error) {
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console.error(error);
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}
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}
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console.log("test");
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let lastcache;
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self.addEventListener("activate", async (event) => {
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console.log("test2");
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checkCache();
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});
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async function checkCache() {
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if (checkedrecently) {
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return;
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}
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const promise = await caches.match("/getupdates");
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if (promise) {
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lastcache = await promise.text();
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}
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console.log(lastcache);
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fetch("/getupdates").then(async (data) => {
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const text = await data.clone().text();
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console.log(text, lastcache);
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if (lastcache !== text) {
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deleteoldcache();
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putInCache("/getupdates", data.clone());
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}
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checkedrecently = true;
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setTimeout(_ => {
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checkedrecently = false;
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}, 1000 * 60 * 30);
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});
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}
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var checkedrecently = false;
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function samedomain(url) {
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return new URL(url).origin === self.origin;
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}
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function isindexhtml(url) {
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console.log(url);
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if (new URL(url).pathname.startsWith("/channels")) {
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return true;
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}
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return false;
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}
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async function getfile(event) {
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checkCache();
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if (!samedomain(event.request.url)) {
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return await fetch(event.request.clone());
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}
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const responseFromCache = await caches.match(event.request.url);
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console.log(responseFromCache, caches);
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if (responseFromCache) {
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console.log("cache hit");
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return responseFromCache;
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}
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if (isindexhtml(event.request.url)) {
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console.log("is index.html");
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const responseFromCache = await caches.match("/index.html");
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if (responseFromCache) {
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console.log("cache hit");
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return responseFromCache;
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}
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const responseFromNetwork = await fetch("/index.html");
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await putInCache("/index.html", responseFromNetwork.clone());
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return responseFromNetwork;
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}
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const responseFromNetwork = await fetch(event.request.clone());
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console.log(event.request.clone());
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await putInCache(event.request.clone(), responseFromNetwork.clone());
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try {
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return responseFromNetwork;
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}
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catch (e) {
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console.error(e);
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}
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}
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self.addEventListener("fetch", (event) => {
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try {
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event.respondWith(getfile(event));
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}
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catch (e) {
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console.error(e);
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}
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});
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