From ff3d8e3f90fb430b3bd36a0c766e9437736e8cc5 Mon Sep 17 00:00:00 2001
From: Alex Gleason <alex@alexgleason.me>
Date: Sat, 13 Apr 2024 14:36:31 -0500
Subject: [PATCH] cache: use the old response body to prevent memory leaks

---
 src/middleware/cache.ts | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/middleware/cache.ts b/src/middleware/cache.ts
index 8e80005e..f0e8ae5b 100644
--- a/src/middleware/cache.ts
+++ b/src/middleware/cache.ts
@@ -19,7 +19,9 @@ export const cache = (opts: CacheOpts): MiddlewareHandler => {
       await next();
       const res = c.res.clone();
       if (res.status < 500) {
+        const old = response;
         response = res;
+        old?.text(); // Prevent memory leaks.
       }
       return res;
     }