Don't persist cache on reload

frontend/src/utils/cache.ts

@@ -4,27 +4,29 @@
   expiration: number;
 };
 
+
 class Cache {
   private prefix = "app_cache_";
 
   private defaultTTL = 5 * 60 * 1000; // 5 minutes
+  private cacheMemory = {};
 
   /**
-   * Generate a unique key with prefix for local storage
-   * @param key The key to be stored in local storage
+   * Generate a unique key with prefix
+   * @param key The key to be stored in memory
    * @returns The unique key with prefix
    */
   private getKey(key: CacheKey): string {
     return `${this.prefix}${key}`;
   }
 
   /**
-   * Retrieve the cached data from local storage
-   * @param key The key to be retrieved from local storage
-   * @returns The data stored in local storage
+   * Retrieve the cached data from memory
+   * @param key The key to be retrieved from memory
+   * @returns The data stored in memory
    */
   public get<T>(key: CacheKey): T | null {
-    const cachedEntry = localStorage.getItem(this.getKey(key));
+    const cachedEntry = this.cacheMemory[this.getKey(key)];
     if (cachedEntry) {
       const { data, expiration } = JSON.parse(cachedEntry) as CacheEntry<T>;
       if (Date.now() < expiration) return data;
@@ -35,34 +37,34 @@
   }
 
   /**
-   * Store the data in local storage with expiration
-   * @param key The key to be stored in local storage
-   * @param data The data to be stored in local storage
+   * Store the data in memory with expiration
+   * @param key The key to be stored in memory
+   * @param data The data to be stored in memory
    * @param ttl The time to live for the data in milliseconds
    * @returns void
    */
   public set<T>(key: CacheKey, data: T, ttl = this.defaultTTL): void {
     const expiration = Date.now() + ttl;
     const entry: CacheEntry<T> = { data, expiration };
-    localStorage.setItem(this.getKey(key), JSON.stringify(entry));
+    this.cacheMemory[this.getKey(key)] = JSON.stringify(entry);
   }
 
   /**
-   * Remove the data from local storage
-   * @param key The key to be removed from local storage
+   * Remove the data from memory
+   * @param key The key to be removed from memory
    * @returns void
    */
   public delete(key: CacheKey): void {
-    localStorage.removeItem(this.getKey(key));
+    delete this.cacheMemory[this.getKey(key)];
   }
 
   /**
-   * Clear all data with the app prefix from local storage
+   * Clear all data with the app prefix from memory
    * @returns void
    */
   public clearAll(): void {
-    Object.keys(localStorage).forEach((key) => {
-      if (key.startsWith(this.prefix)) localStorage.removeItem(key);
+    Object.keys(this.cacheMemory).forEach((key) => {
+      if (key.startsWith(this.prefix)) delete this.cacheMemory[key];
     });
   }
 }