Richard ZinkandClaude Opus 5.5
44b938f0e5
- manifest.webmanifest (full screen, any orientation), icons 192/512/maskable/apple-touch - sw.js: network first, cache as offline fallback, the savegame API is never cached - registered only over HTTPS or on localhost; nginx serves the manifest type - README: installing, HTTPS requirement Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
46 lines
1.3 KiB
JavaScript
46 lines
1.3 KiB
JavaScript
// DungeonCraft service worker: makes the game installable and playable offline.
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// Network first (updates arrive at once), the cache is the fallback when offline.
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// The savegame service (/api/) is never cached.
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const CACHE = "dungeoncraft-v1";
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const CORE = [
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"./",
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"index.html",
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"mq_js_bundle.js",
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"dc_plugin.js",
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"dungeoncraft.wasm",
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"manifest.webmanifest",
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"icons/icon-192.png",
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"icons/icon-512.png",
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];
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self.addEventListener("install", (event) => {
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event.waitUntil(caches.open(CACHE).then((c) => c.addAll(CORE)).then(() => self.skipWaiting()));
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});
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self.addEventListener("activate", (event) => {
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event.waitUntil(
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caches.keys()
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.then((keys) => Promise.all(keys.filter((k) => k !== CACHE).map((k) => caches.delete(k))))
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.then(() => self.clients.claim())
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);
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});
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self.addEventListener("fetch", (event) => {
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const req = event.request;
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const url = new URL(req.url);
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if (req.method !== "GET" || url.origin !== self.location.origin || url.pathname.includes("/api/")) {
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return;
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}
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event.respondWith(
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fetch(req)
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.then((res) => {
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if (res.ok) {
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const copy = res.clone();
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caches.open(CACHE).then((c) => c.put(req, copy));
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}
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return res;
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})
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.catch(() => caches.match(req).then((hit) => hit || caches.match("index.html")))
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);
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});
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