49 lines
1.1 KiB
JavaScript
49 lines
1.1 KiB
JavaScript
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/// <reference types="@sveltejs/kit" />
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import { build, files, version } from '$service-worker';
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const cacheName = `ob-${version}`;
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const assets = [
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...build,
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...files
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];
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self.addEventListener('install', (event) => {
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async function addToCache() {
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const cache = await caches.open(cacheName);
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await cache.addAll(assets);
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}
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event.waitUntil(addToCache());
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})
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self.addEventListener('activate', (event) => {
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async function deleteOldCache() {
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for (const key of await caches.keys()) {
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if (key !== cacheName) {
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await caches.delete(key);
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}
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}
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}
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event.waitUntil(deleteOldCache());
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})
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self.addEventListener('fetch', (event) => {
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if (event.request.method !== 'GET') {return}
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async function respond() {
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const cacheRes = await caches.match(event.request, {ignoreSearch: true});
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if (cacheRes) {
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return cacheRes;
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}
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try {
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return await fetch(event.request)
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} catch (err) {
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return {"error": "OFFLINE", "errorMsg": "You are not online"};
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}
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}
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event.respondWith(respond());
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})
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