From 915415b66d5b881cf025a3a9719d1f05164ea5c5 Mon Sep 17 00:00:00 2001
From: Phillip Ho <arcoraven@gmail.com>
Date: Tue, 4 Mar 2025 21:50:06 +0800
Subject: [PATCH] shallow copy headers without importing cf worker

---
 packages/service-utils/src/cf-worker/usageV2.ts | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/packages/service-utils/src/cf-worker/usageV2.ts b/packages/service-utils/src/cf-worker/usageV2.ts
index 4063cde50c3..365806c79aa 100644
--- a/packages/service-utils/src/cf-worker/usageV2.ts
+++ b/packages/service-utils/src/cf-worker/usageV2.ts
@@ -1,3 +1,4 @@
+import type { Request } from "@cloudflare/workers-types";
 import type { CoreAuthInput } from "../core/types.js";
 import type {
   ClientUsageV2Event,
@@ -33,7 +34,7 @@ export async function sendUsageV2Events<T extends UsageV2Options>(
   // Forward headers from the origin request.
   // Determine endpoint and auth header based on provided credentials.
   let url: string;
-  const headers = new Headers(authInput.req.headers);
+  const headers = new Headers(Object.fromEntries(authInput.req.headers));
   headers.set("Content-Type", "application/json");
   if (serviceKey) {
     // If a service key is provided, call the non-public usage endpoint.