chore: some upgrade

src/helpers/memorium.ts

@@ -23,27 +23,33 @@ export type MemoriumEntry = MemoriumFile | MemoriumDir;
 const SERVER_URL = "https://marka.max-richter.dev";
 //const SERVER_URL = "http://localhost:8080";
 
+const cache = {};
+
 export async function listResource(
   id: string,
 ): Promise<MemoriumEntry | undefined> {
   const url = `${SERVER_URL}/resources/${id}`;
-  console.log(url);
+  if (cache[url]) return cache[url];
   try {
     const response = await fetch(url, { signal: AbortSignal.timeout(5000) });
     if (response.ok) {
       const json = await response.json();
       if (json.type == "dir") {
-        return {
+        const res = {
           ...json,
           content: json.content.filter((res: MemoriumEntry) =>
             res.mime === "application/markdown"
           ),
         };
+        cache[url] = res;
+        return res;
       }
+      cache[url] = json;
       return json;
     }
   } catch (_e) {
     console.log("Failed to get: ", url);
+    cache[url] = undefined;
     return;
   }
 }