homepage/toys/starship/sw.js

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JavaScript
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var cacheName = "starship-v1";
var content = [
"index.html",
"starship.js"
];
self.addEventListener("install", e => {
e.waitUntil(caches.Open(cacheName).then(cache => cache.addAll(content)));
});
// Have mercy, this is a horror show
self.addEventListener("fetch", e => {
e.respondWith(
caches.match(e.request).then(r => {
console.log("[Service Worker] Fetching resource:", e.request.url);
return r || fetch(e.request).then(response => {
return caches.open(cacheName).then(cache => {
console.log("[Service Worker] Caching new resource:", e.request.url);
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cache.put(e.request, response.clone());
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return response;
});
});
})
);
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});