From cc8d2d16d0fa22754b9a989c9b7f1d606e5bcc75 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Kevin=20R=C3=BCter?= <k.rueter93@gmail.com>
Date: Fri, 18 Feb 2022 11:45:42 +0100
Subject: [PATCH] add existence check to cache function before deleting from
 cache

---
 src/lambda/handler-runner/in-process-runner/InProcessRunner.js | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/lambda/handler-runner/in-process-runner/InProcessRunner.js b/src/lambda/handler-runner/in-process-runner/InProcessRunner.js
index 2ba503ee3..01a7fa374 100644
--- a/src/lambda/handler-runner/in-process-runner/InProcessRunner.js
+++ b/src/lambda/handler-runner/in-process-runner/InProcessRunner.js
@@ -46,6 +46,7 @@ const clearModule = (fP, opts) => {
         cleanup = false
         for (const fn of Object.keys(require.cache)) {
           if (
+            require.cache[fn] &&
             require.cache[fn].id !== '.' &&
             require.cache[fn].parent &&
             require.cache[fn].parent.id !== '.' &&