76 lines
3.7 KiB
JavaScript
76 lines
3.7 KiB
JavaScript
/*
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Copyright 2020 Bruno Windels <bruno@windels.cloud>
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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const VERSION = "foo3";
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const OFFLINE_FILES = ["hydrogen-129215894.js","hydrogen-1625084908.css","index.html","themes/element/bundle-1000196323.css","themes/bubbles/bundle-2682099160.css","icon-2793984973.png","icon-maskable-317721575.png"];
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// TODO: cache these files when requested
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// The difficulty is that these are relative filenames, and we don't have access to document.baseURI
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// Clients.match({type: "window"}).url and assume they are all the same? they really should be ... safari doesn't support this though
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const CACHE_FILES = ["themes/element/element-logo-2959259787.svg","themes/element/icons/chevron-right-787082136.svg","themes/element/icons/send-4065347741.svg","themes/element/inter/Inter-Black-276207522.woff","themes/element/inter/Inter-BlackItalic-3159247813.woff","themes/element/inter/Inter-Bold-4187626158.woff","themes/element/inter/Inter-BoldItalic-641187949.woff","themes/element/inter/Inter-ExtraBold-3888913940.woff","themes/element/inter/Inter-ExtraBoldItalic-2880676406.woff","themes/element/inter/Inter-ExtraLight-3277895962.woff","themes/element/inter/Inter-ExtraLightItalic-3022762143.woff","themes/element/inter/Inter-Italic-4024721388.woff","themes/element/inter/Inter-Light-3990448997.woff","themes/element/inter/Inter-LightItalic-412813693.woff","themes/element/inter/Inter-Medium-2285329551.woff","themes/element/inter/Inter-MediumItalic-1722521156.woff","themes/element/inter/Inter-Regular-2779214592.woff","themes/element/inter/Inter-SemiBold-1906312195.woff","themes/element/inter/Inter-SemiBoldItalic-3778207334.woff","themes/element/inter/Inter-Thin-1593561269.woff","themes/element/inter/Inter-ThinItalic-1888295987.woff"];
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const cacheName = `hydrogen-${VERSION}`;
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self.addEventListener('install', function(e) {
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console.log("installing service worker", VERSION);
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e.waitUntil(
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caches.open(cacheName).then(function(cache) {
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return cache.addAll(OFFLINE_FILES);
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})
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);
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});
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self.addEventListener('activate', (event) => {
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console.log("activating service worker", VERSION);
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event.waitUntil(
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caches.keys().then((keyList) => {
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return Promise.all(keyList.map((key) => {
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if (key !== cacheName) {
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return caches.delete(key);
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}
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}));
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})
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);
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});
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self.addEventListener('fetch', (event) => {
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console.log("new fetch event in sw", event.request.headers);
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event.respondWith(
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caches.open(cacheName)
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.then(cache => cache.match(event.request))
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.then((response) => response || fetch(event.request))
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);
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});
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// service-worker.js
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// Listen to the request
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self.addEventListener('message', (event) => {
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if (event.data && event.data.type === 'PING') {
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// Select who we want to respond to
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self.clients.matchAll({
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includeUncontrolled: true,
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type: 'window',
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}).then((clients) => {
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if (clients && clients.length) {
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// Send a response - the clients
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// array is ordered by last focused
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clients[0].postMessage({
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type: 'PONG',
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files: OFFLINE_FILES,
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version: VERSION,
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});
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}
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});
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}
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});
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