chore(*): Add workbox service worker

src/prompt-sw.ts

@@ -0,0 +1,32 @@
+/// <reference lib="WebWorker" />
+/// <reference types="vite/client" />
+/// <reference no-default-lib="true"/>
+/// <reference lib="esnext" />
+import {
+	cleanupOutdatedCaches,
+	createHandlerBoundToURL,
+	precacheAndRoute,
+	precache
+} from 'workbox-precaching';
+import { NavigationRoute, registerRoute } from 'workbox-routing';
+
+declare let self: ServiceWorkerGlobalScope;
+
+self.addEventListener('message', (event) => {
+	if (event.data && event.data.type === 'SKIP_WAITING') self.skipWaiting();
+});
+
+// Add root route to precache manifest
+precache([{ url: '/', revision: null }]);
+
+// self.__WB_MANIFEST is default injection point
+precacheAndRoute(self.__WB_MANIFEST);
+
+// clean old assets
+cleanupOutdatedCaches();
+
+let allowlist: undefined | RegExp[];
+if (import.meta.env.DEV) allowlist = [/^\/$/];
+
+// to allow work offline
+registerRoute(new NavigationRoute(createHandlerBoundToURL('/'), { allowlist }));