From 3c09d7717e1f79fb5efc690a3be595289e0fe2b7 Mon Sep 17 00:00:00 2001
From: "Xin Du (Clark)" <clark.duxin@gmail.com>
Date: Sun, 12 Jun 2022 22:32:12 +0100
Subject: [PATCH] fix(cache): invalidate entry before calling resolver (#271)

* fix(cache): prevent using invalid response from cache

* Update src/runtime/cache.ts

* invalidate all fields

Co-authored-by: Clark Du <cdu@hubspot.com>
Co-authored-by: pooya parsa <pyapar@gmail.com>
---
 src/runtime/cache.ts | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/runtime/cache.ts b/src/runtime/cache.ts
index 8d03ae2b19..aa562324d0 100644
--- a/src/runtime/cache.ts
+++ b/src/runtime/cache.ts
@@ -52,6 +52,11 @@ export function defineCachedFunction <T=any> (fn: ((...args) => T | Promise<T>),
 
     const _resolve = async () => {
       if (!pending[key]) {
+        // Remove cached entry to prevent using expired cache on concurrent requests
+        entry.value = undefined
+        entry.integrity = undefined
+        entry.mtime = undefined
+        entry.expires = undefined
         pending[key] = Promise.resolve(resolver())
       }
       entry.value = await pending[key]