From ca9eb20ba8f7f5f28b906b4f4c8c6739f6b518a7 Mon Sep 17 00:00:00 2001
From: wolfy1339 <webmaster@wolfy1339.com>
Date: Fri, 23 Feb 2024 17:33:19 -0500
Subject: [PATCH] fix: improve spec compliance

The spec defines Header values as strings
---
 src/fetch-wrapper.ts | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/fetch-wrapper.ts b/src/fetch-wrapper.ts
index bf65ba426..f7b789456 100644
--- a/src/fetch-wrapper.ts
+++ b/src/fetch-wrapper.ts
@@ -39,7 +39,11 @@ export default function fetchWrapper(
   return fetch(requestOptions.url, {
     method: requestOptions.method,
     body: requestOptions.body,
-    headers: requestOptions.headers as HeadersInit,
+    // Header values must be `string`
+    headers: Object.entries(requestOptions.headers).map(([name, value]) => [
+      name,
+      String(value),
+    ]),
     signal: requestOptions.request?.signal,
     // duplex must be set if request.body is ReadableStream or Async Iterables.
     // See https://fetch.spec.whatwg.org/#dom-requestinit-duplex.