websocket: move codeblock in parseCloseBody (#3215)

nodejs · May 7, 2024 · 8c3d42a · 8c3d42a
1 parent 5a79dec
commit 8c3d42a
Showing 1 changed file with 4 additions and 4 deletions.
diff --git a/lib/web/websocket/receiver.js b/lib/web/websocket/receiver.js
@@ -314,6 +314,10 @@ class ByteParser extends Writable {
       code = data.readUInt16BE(0)
     }
 
+    if (code !== undefined && !isValidStatusCode(code)) {
+      return { code: 1002, reason: 'Invalid status code', error: true }
+    }
+
     // https://datatracker.ietf.org/doc/html/rfc6455#section-7.1.6
     /** @type {Buffer} */
     let reason = data.subarray(2)
@@ -323,10 +327,6 @@ class ByteParser extends Writable {
       reason = reason.subarray(3)
     }
 
-    if (code !== undefined && !isValidStatusCode(code)) {
-      return { code: 1002, reason: 'Invalid status code', error: true }
-    }
-
     try {
       reason = utf8Decode(reason)
     } catch {