feat(cache): send oldValue to onCache

Internally handle the cache events to prevent race conditions
and resolve #618.
Improved types.

package/shared/resource/cache/index.ts

@@ -1,13 +1,34 @@
-export const cache: Record<string, any> = new Proxy(
+interface OxCache {
+  ped: number;
+  vehicle: number | false;
+  seat: number | false;
+  game: string;
+  resource: string;
+  playerId: number;
+  serverId: number;
+  [key: string]: unknown;
+}
+
+const cacheEvents: Record<keyof OxCache, Function[]> = {};
+
+export const cache: OxCache = new Proxy(
   {
     resource: GetCurrentResourceName(),
+    game: GetGameName(),
   },
   {
     get(target: any, key: string) {
       const result = key ? target[key] : target;
       if (result !== undefined) return result;
 
+      cacheEvents[key] = [];
+
       AddEventHandler(`ox_lib:cache:${key}`, (value: any) => {
+        const oldValue = target[key];
+        const events = cacheEvents[key];
+
+        events.forEach((cb) => cb(value, oldValue));
+
         target[key] = value;
       });
 
@@ -17,6 +38,8 @@ export const cache: Record<string, any> = new Proxy(
   }
 );
 
-export const onCache = <T = any>(key: string, cb: (value: T) => void) => {
-  AddEventHandler(`ox_lib:cache:${key}`, cb);
+export const onCache = <T extends keyof OxCache>(key: T, cb: (value: OxCache[T], oldValue: OxCache[T]) => void) => {
+  if (!cacheEvents[key]) cache[key];
+
+  cacheEvents[key].push(cb);
 };