65 lines
1.6 KiB
JavaScript
65 lines
1.6 KiB
JavaScript
const CACHE_NAME = "sproutgate-v1";
|
|
const PRECACHE_URLS = [
|
|
"/",
|
|
"/index.html",
|
|
"/manifest.webmanifest",
|
|
"/favicon.ico",
|
|
"/logo.png",
|
|
"/logo192.png",
|
|
"/icon-192.png",
|
|
"/icon-512.png",
|
|
"/apple-touch-icon.png"
|
|
];
|
|
|
|
self.addEventListener("install", (event) => {
|
|
event.waitUntil(
|
|
caches
|
|
.open(CACHE_NAME)
|
|
.then((cache) => cache.addAll(PRECACHE_URLS))
|
|
.then(() => self.skipWaiting())
|
|
);
|
|
});
|
|
|
|
self.addEventListener("activate", (event) => {
|
|
event.waitUntil(
|
|
caches
|
|
.keys()
|
|
.then((keys) => Promise.all(keys.filter((key) => key !== CACHE_NAME).map((key) => caches.delete(key))))
|
|
.then(() => self.clients.claim())
|
|
);
|
|
});
|
|
|
|
self.addEventListener("fetch", (event) => {
|
|
const { request } = event;
|
|
if (request.method !== "GET") return;
|
|
|
|
const url = new URL(request.url);
|
|
if (url.origin !== self.location.origin) return;
|
|
|
|
if (request.mode === "navigate") {
|
|
event.respondWith(
|
|
fetch(request)
|
|
.then((response) => {
|
|
const copy = response.clone();
|
|
caches.open(CACHE_NAME).then((cache) => cache.put(request, copy));
|
|
return response;
|
|
})
|
|
.catch(() => caches.match(request).then((cached) => cached || caches.match("/index.html")))
|
|
);
|
|
return;
|
|
}
|
|
|
|
event.respondWith(
|
|
caches.match(request).then((cached) =>
|
|
cached ||
|
|
fetch(request)
|
|
.then((response) => {
|
|
const copy = response.clone();
|
|
caches.open(CACHE_NAME).then((cache) => cache.put(request, copy));
|
|
return response;
|
|
})
|
|
.catch(() => cached)
|
|
)
|
|
);
|
|
});
|