From 1db1a0b0e60318df9ba71aa412ddb2275f40232d Mon Sep 17 00:00:00 2001
From: Dustin J Silk <dustinjsilk@gmail.com>
Date: Fri, 7 Nov 2025 13:57:54 +0000
Subject: [PATCH] feat: make RequestEvent readonly instead of frozen

---
 .changeset/shaggy-items-send.md                    |  5 +++++
 .../middleware/request-handler/request-event.ts    | 14 +++++++-------
 2 files changed, 12 insertions(+), 7 deletions(-)
 create mode 100644 .changeset/shaggy-items-send.md

diff --git a/.changeset/shaggy-items-send.md b/.changeset/shaggy-items-send.md
new file mode 100644
index 00000000000..3b027e34d78
--- /dev/null
+++ b/.changeset/shaggy-items-send.md
@@ -0,0 +1,5 @@
+---
+'@builder.io/qwik-city': patch
+---
+
+Make RequestEvents readonly instead of frozen
diff --git a/packages/qwik-city/src/middleware/request-handler/request-event.ts b/packages/qwik-city/src/middleware/request-handler/request-event.ts
index a21ecff19d8..668bc28a72e 100644
--- a/packages/qwik-city/src/middleware/request-handler/request-event.ts
+++ b/packages/qwik-city/src/middleware/request-handler/request-event.ts
@@ -319,15 +319,15 @@ export function createRequestEvent(
       return writableStream;
     },
   };
-  return Object.freeze(requestEv);
+  return requestEv;
 }
 
-export interface RequestEventInternal extends RequestEvent, RequestEventLoader {
-  [RequestEvLoaders]: Record<string, ValueOrPromise<unknown> | undefined>;
-  [RequestEvMode]: ServerRequestMode;
-  [RequestEvTrailingSlash]: boolean;
-  [RequestEvRoute]: LoadedRoute | null;
-  [RequestEvQwikSerializer]: QwikSerializer;
+export interface RequestEventInternal extends Readonly<RequestEvent>, Readonly<RequestEventLoader> {
+  readonly [RequestEvLoaders]: Record<string, ValueOrPromise<unknown> | undefined>;
+  readonly [RequestEvMode]: ServerRequestMode;
+  readonly [RequestEvTrailingSlash]: boolean;
+  readonly [RequestEvRoute]: LoadedRoute | null;
+  readonly [RequestEvQwikSerializer]: QwikSerializer;
 
   /**
    * Check if this request is already written to.