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Offline-pwa update

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This commit is contained in:
Brieuc Dubois 2025-01-11 18:56:29 +01:00
parent fbc3294f30
commit d88b8a1d3b
5 changed files with 29 additions and 10 deletions
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25
internal/ui/static/js/service_worker.js
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@ -3,13 +3,24 @@
const OFFLINE_VERSION = 2;
const CACHE_NAME = "offline";
const cachedPages = [
"/unread",
"/starred",
"/stylesheets",
"/app",
"/service-worker",
"/manifest.json",
"/feed/icon",
"/icon",
];
self.addEventListener("install", (event) => {
event.waitUntil(
(async () => {
const cache = await caches.open(CACHE_NAME);
if (USE_CACHE) {
await cache.addAll(["/", "/unread", OFFLINE_URL]);
await cache.addAll(["/", "/unread", "/starred", OFFLINE_URL]);
} else {
// Setting {cache: 'reload'} in the new request will ensure that the
// response isn't fulfilled from the HTTP cache; i.e., it will be from
@ -49,12 +60,20 @@ async function cacheFirstWithRefresh(request) {
return networkResponse;
});
return (await cache.match(request)) || (await fetchResponsePromise);
try {
return (await cache.match(request)) || (await fetchResponsePromise);
} catch (error) {
const cache = await caches.open(CACHE_NAME);
return await cache.match(OFFLINE_URL);
}
}
self.addEventListener("fetch", (event) => {
if (USE_CACHE) {
return event.respondWith(cacheFirstWithRefresh(event.request));
const url = new URL(event.request.url);
if (cachedPages.some((page) => url.pathname.startsWith(page))) {
return event.respondWith(cacheFirstWithRefresh(event.request));
}
}
// We proxify requests through fetch() only if we are offline because it's slower.