I hate service workers for not reloading things.

src/service-worker.js

@@ -8,75 +8,75 @@ const to_cache = shell.concat(files);
 const cached = new Set(to_cache);
 
 self.addEventListener('install', event => {
-	event.waitUntil(
+  event.waitUntil(
-		caches
+    caches
-			.open(ASSETS)
+      .open(ASSETS)
-			.then(cache => cache.addAll(to_cache))
+      .then(cache => cache.addAll(to_cache))
-			.then(() => {
+      .then(() => {
-				self.skipWaiting();
+        self.skipWaiting();
-			})
+      })
-	);
+  );
 });
 
 self.addEventListener('activate', event => {
-	event.waitUntil(
+  event.waitUntil(
-		caches.keys().then(async keys => {
+    caches.keys().then(async keys => {
-			// delete old caches
+      // delete old caches
-			for (const key of keys) {
+      for (const key of keys) {
-				if (key !== ASSETS) await caches.delete(key);
+        if (key !== ASSETS) await caches.delete(key);
-			}
+      }
 
-			self.clients.claim();
+      self.clients.claim();
-		})
+    })
-	);
+  );
 });
 
 self.addEventListener('fetch', event => {
-	if (event.request.method !== 'GET' || event.request.headers.has('range')) return;
+  if (event.request.method !== 'GET' || event.request.headers.has('range')) return;
 
-	const url = new URL(event.request.url);
+  const url = new URL(event.request.url);
 
-	// don't try to handle e.g. data: URIs
+  // don't try to handle e.g. data: URIs
-	if (!url.protocol.startsWith('http')) return;
+  if (!url.protocol.startsWith('http')) return;
 
-	// ignore dev server requests
+  // ignore dev server requests
-	if (url.hostname === self.location.hostname && url.port !== self.location.port) return;
+  if (url.hostname === self.location.hostname && url.port !== self.location.port) return;
 
-	// always serve static files and bundler-generated assets from cache
+  // always serve static files and bundler-generated assets from cache
-	if (url.host === self.location.host && cached.has(url.pathname)) {
+  if (url.host === self.location.host && cached.has(url.pathname)) {
-		event.respondWith(caches.match(event.request));
+    event.respondWith(caches.match(event.request));
-		return;
+    return;
-	}
+  }
 
-	// for pages, you might want to serve a shell `service-worker-index.html` file,
+  // for pages, you might want to serve a shell `service-worker-index.html` file,
-	// which Sapper has generated for you. It's not right for every
+  // which Sapper has generated for you. It's not right for every
-	// app, but if it's right for yours then uncomment this section
+  // app, but if it's right for yours then uncomment this section
-	/*
+  /*
-	if (url.origin === self.origin && routes.find(route => route.pattern.test(url.pathname))) {
+  if (url.origin === self.origin && routes.find(route => route.pattern.test(url.pathname))) {
-		event.respondWith(caches.match('/service-worker-index.html'));
+    event.respondWith(caches.match('/service-worker-index.html'));
-		return;
+    return;
-	}
+  }
-	*/
+  */
 
-	if (event.request.cache === 'only-if-cached') return;
+  if (event.request.cache === 'only-if-cached') return;
 
-	// for everything else, try the network first, falling back to
+  // for everything else, try the network first, falling back to
-	// cache if the user is offline. (If the pages never change, you
+  // cache if the user is offline. (If the pages never change, you
-	// might prefer a cache-first approach to a network-first one.)
+  // might prefer a cache-first approach to a network-first one.)
-	event.respondWith(
+  event.respondWith(
-		caches
+    caches
-			.open(`offline${timestamp}`)
+      .open(`offline${timestamp}`)
-			.then(async cache => {
+      .then(async cache => {
-				try {
+        try {
-					const response = await fetch(event.request);
+          const response = await fetch(event.request, {credentials: 'same-origin'});
-					cache.put(event.request, response.clone());
+          // cache.put(event.request, response.clone());
-					return response;
+          return response;
-				} catch(err) {
+        } catch(err) {
-					const response = await cache.match(event.request);
+          const response = await cache.match(event.request);
-					if (response) return response;
+          if (response) return response;
 
-					throw err;
+          throw err;
-				}
+        }
-			})
+      })
-	);
+  );
 });