From 251a52fef6f3e62c0c10e350f54a87eddaf073d2 Mon Sep 17 00:00:00 2001
From: Andrew Hyndman <ajhyndman@hotmail.com>
Date: Sun, 27 Feb 2022 01:28:14 -0800
Subject: [PATCH] fix: never proxy hot-reload websocket requests

Both create-react-app and vue-cli-service have introduced workarounds for this, but it seems to me that this is always desirable behaviour for webpack-dev-server.

https://github.com/vuejs/vue-cli/commit/72ba7505aff2a8314e82aa5082379a77504a1fcb
https://github.com/facebook/create-react-app/pull/7444
---
 lib/Server.js | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/lib/Server.js b/lib/Server.js
index 4b8befb376..505898f7f6 100644
--- a/lib/Server.js
+++ b/lib/Server.js
@@ -1841,7 +1841,10 @@ class Server {
       (this.server).on(
         "upgrade",
         /** @type {RequestHandler & { upgrade: NonNullable<RequestHandler["upgrade"]> }} */
-        (webSocketProxy).upgrade
+        (req, ...rest) =>
+          req.url !== this.options.webSocketServer.options.path
+            ? webSocketProxy.upgrade(req, ...rest)
+            : null,
       );
     }, this);
   }