From 91d2c935d1ca450c83abe855246049e77e3a4d51 Mon Sep 17 00:00:00 2001
From: "Fabien \"egg\" O'Carroll" <fabien@allou.is>
Date: Wed, 31 Jan 2024 16:54:49 +0700
Subject: [PATCH] Added deferred impl

---
 .../lib/AdapterCacheRedis.js                  | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/ghost/adapter-cache-redis/lib/AdapterCacheRedis.js b/ghost/adapter-cache-redis/lib/AdapterCacheRedis.js
index e20120ad19..596b6a7b28 100644
--- a/ghost/adapter-cache-redis/lib/AdapterCacheRedis.js
+++ b/ghost/adapter-cache-redis/lib/AdapterCacheRedis.js
@@ -6,6 +6,25 @@ const cacheManager = require('cache-manager');
 const redisStoreFactory = require('./redis-store-factory');
 const calculateSlot = require('cluster-key-slot');
 
+function deferred() {
+    let value;
+    let err;
+    let resolve = _value => value = _value;
+    let reject = _err => err = _err;
+    const promise = new Promise((_resolve, _reject) => {
+        if (value) {
+            _resolve(value);
+        }
+        if (err) {
+            _reject(err);
+        }
+        resolve = _value => _resolve(_value);
+        reject = _err => _reject(_err);
+    });
+
+    return {resolve, reject, promise};
+}
+
 class AdapterCacheRedis extends BaseCacheAdapter {
     /**
      *