From d38a5979ac8c8003aad74fb8ddbee551d3b46cd4 Mon Sep 17 00:00:00 2001
From: Daniel Leal <dleal@cloudflare.com>
Date: Thu, 22 May 2025 19:11:23 +0100
Subject: [PATCH] Add request init headers defined on the sse transport to the
 start

---
 src/client/sse.ts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/client/sse.ts b/src/client/sse.ts
index 878a4919..7939e8cb 100644
--- a/src/client/sse.ts
+++ b/src/client/sse.ts
@@ -99,11 +99,11 @@ export class SSEClientTransport implements Transport {
   }
 
   private async _commonHeaders(): Promise<HeadersInit> {
-    const headers: HeadersInit = {};
+    const headers: HeadersInit = { ...this._requestInit?.headers };
     if (this._authProvider) {
       const tokens = await this._authProvider.tokens();
       if (tokens) {
-        headers["Authorization"] = `Bearer ${tokens.access_token}`;
+        (headers as Record<string, string>)["Authorization"] = `Bearer ${tokens.access_token}`;
       }
     }