From 0f274ef8177068da65e50e08607998d0ed63e8b9 Mon Sep 17 00:00:00 2001
From: Arda TANRIKULU <ardatanrikulu@gmail.com>
Date: Fri, 23 Feb 2024 16:49:14 +0300
Subject: [PATCH] enhance(utils/getHeadersObj): prevent `ownKeys` trap to
 return the same keys

---
 .changeset/eighty-beds-allow.md     | 5 +++++
 packages/utils/src/getHeadersObj.ts | 2 +-
 2 files changed, 6 insertions(+), 1 deletion(-)
 create mode 100644 .changeset/eighty-beds-allow.md

diff --git a/.changeset/eighty-beds-allow.md b/.changeset/eighty-beds-allow.md
new file mode 100644
index 0000000000000..e7211ca670d97
--- /dev/null
+++ b/.changeset/eighty-beds-allow.md
@@ -0,0 +1,5 @@
+---
+"@graphql-mesh/utils": patch
+---
+
+Prevent `ownKeys` trap to return the same keys
diff --git a/packages/utils/src/getHeadersObj.ts b/packages/utils/src/getHeadersObj.ts
index 553121789cd30..48d40e36fafbe 100644
--- a/packages/utils/src/getHeadersObj.ts
+++ b/packages/utils/src/getHeadersObj.ts
@@ -28,7 +28,7 @@ export function getHeadersObj(
         return headers.has(name.toString().toLowerCase());
       },
       ownKeys(_target) {
-        return [...headers.keys()];
+        return [...new Set(headers.keys())];
       },
       set(_target, name, value) {
         headers.set(name.toString().toLowerCase(), value);