From 8acdc86ae75b57f3566d1e63e6c2a1c314956644 Mon Sep 17 00:00:00 2001
From: Samual Norman <me@samual.uk>
Date: Tue, 15 Apr 2025 10:06:33 +0100
Subject: [PATCH 1/2] preserve headers in `query()`'s `handleResponse()`

---
 src/data/query.ts | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

diff --git a/src/data/query.ts b/src/data/query.ts
index 6ed49161..67ff9efd 100644
--- a/src/data/query.ts
+++ b/src/data/query.ts
@@ -177,6 +177,17 @@ export function query<T extends (...args: any) => any>(fn: T, name: string): Cac
     function handleResponse(error: boolean) {
       return async (v: any | Response) => {
         if (v instanceof Response) {
+          const e = getRequestEvent();
+          
+          if (e) {
+            for (const [ key, value ] of v.headers) {
+              if (key == "set-cookie")
+                e.response.headers.append("set-cookie", value);
+              else
+                e.response.headers.set(key, value);
+            }
+          }
+          
           const url = v.headers.get(LocationHeader);
 
           if (url !== null) {
@@ -186,10 +197,7 @@ export function query<T extends (...args: any) => any>(fn: T, name: string): Cac
                 navigate(url, { replace: true });
               });
             else if (!isServer) window.location.href = url;
-            else if (isServer) {
-              const e = getRequestEvent();
-              if (e) e.response = { status: 302, headers: new Headers({ Location: url }) };
-            }
+            else if (e) e.response.status = 302;
 
             return;
           }

From 0a2f556f3cf1a664f715a71ffc278305d640ecfc Mon Sep 17 00:00:00 2001
From: Ryan Carniato <ryansolid@gmail.com>
Date: Wed, 23 Apr 2025 13:42:50 -0700
Subject: [PATCH 2/2] Create rude-camels-cover.md

---
 .changeset/rude-camels-cover.md | 5 +++++
 1 file changed, 5 insertions(+)
 create mode 100644 .changeset/rude-camels-cover.md

diff --git a/.changeset/rude-camels-cover.md b/.changeset/rude-camels-cover.md
new file mode 100644
index 00000000..1f2684c2
--- /dev/null
+++ b/.changeset/rude-camels-cover.md
@@ -0,0 +1,5 @@
+---
+"@solidjs/router": patch
+---
+
+preserve headers in `query()`'s `handleResponse()`