1 files changed, 39 insertions, 12 deletions
diff --git a/static/service-worker/worker.js b/static/service-worker/worker.js
index ad5a374..be23018 100644
--- a/static/service-worker/worker.js
+++ b/static/service-worker/worker.js
@@ -1,18 +1,45 @@
-const putInCache = async (request, response) => {
-  const cache = await caches.open("v1");
-  await cache.put(request, response);
+const cachable_api = [
+	'/image/',
+	'/profile/',
+];
+
+const is_cachable = (url) => {
+	if (!url.includes('/api/') || url.endsWith('.js')) {
+		return true;
+	}
+
+	for (const api of cachable_api) {
+		if (url.includes(api)) {
+			return true;
+		}
+	}
+
+	return false;
+}
+
+const put_in_cache = async (request, response) => {
+	const cache = await caches.open("v1");
+	await cache.put(request, response);
 };
 
-const cacheFirst = async (request, event) => {
-  const responseFromCache = await caches.match(request);
-  if (responseFromCache) {
-    return responseFromCache;
-  }
-  const responseFromNetwork = await fetch(request);
-  event.waitUntil(putInCache(request, responseFromNetwork.clone()));
-  return responseFromNetwork;
+const cache_first = async (request, event) => {
+	if (request.method !== 'GET') {
+		return await fetch(request);
+	}
+
+	if (!is_cachable(request.url)) {
+		return await fetch(request);
+	}
+
+	const responseFromCache = await caches.match(request);
+	if (responseFromCache) {
+		return responseFromCache;
+	}
+	const responseFromNetwork = await fetch(request);
+	event.waitUntil(put_in_cache(request, responseFromNetwork.clone()));
+	return responseFromNetwork;
 };
 
 self.addEventListener("fetch", (event) => {
-  event.respondWith(cacheFirst(event.request, event));
+	event.respondWith(cache_first(event.request, event));
 });