resolve

src/managers/base.ts

@@ -67,6 +67,20 @@ export class BaseManager<T, T2> {
     yield* readable.getIterator()
   }
 
+  async fetch(...args: unknown[]): Promise<T2 | undefined> {
+    return undefined
+  }
+
+  /** Try to get value from cache, if not found then fetch */
+  async resolve(key: string): Promise<T2 | undefined> {
+    const cacheValue = await this.get(key)
+    if (cacheValue !== undefined) return cacheValue
+    else {
+      const fetchValue = await this.fetch(key).catch(() => undefined)
+      if (fetchValue !== undefined) return fetchValue
+    }
+  }
+
   /** Deletes everything from Cache */
   flush(): any {
     return this.client.cache.deleteCache(this.cacheName)