From 4f7171704756cfd2211a217fe4cb68dad9d49507 Mon Sep 17 00:00:00 2001
From: DjDeveloperr <djsandhu2005@gmail.com>
Date: Fri, 19 Mar 2021 17:07:57 +0530
Subject: [PATCH] resolve

---
 src/managers/base.ts | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/src/managers/base.ts b/src/managers/base.ts
index 442b7fc..d55a34f 100644
--- a/src/managers/base.ts
+++ b/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)