From e9fd6131c8da95229fa33f0261f4a091983b0c66 Mon Sep 17 00:00:00 2001
From: Shyim <6224096+shyim@users.noreply.github.com>
Date: Thu, 8 Sep 2022 22:34:14 +0200
Subject: [PATCH] fix: proxy to secured websocket server

---
 packages/vite/src/node/server/middlewares/proxy.ts | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/packages/vite/src/node/server/middlewares/proxy.ts b/packages/vite/src/node/server/middlewares/proxy.ts
index f08f69091f1c68..6554358f091028 100644
--- a/packages/vite/src/node/server/middlewares/proxy.ts
+++ b/packages/vite/src/node/server/middlewares/proxy.ts
@@ -88,7 +88,9 @@ export function proxyMiddleware(
         if (doesProxyContextMatchUrl(context, url)) {
           const [proxy, opts] = proxies[context]
           if (
-            (opts.ws || opts.target?.toString().startsWith('ws:')) &&
+            (opts.ws ||
+              opts.target?.toString().startsWith('ws:') ||
+              opts.target?.toString().startsWith('wss:')) &&
             req.headers['sec-websocket-protocol'] !== HMR_HEADER
           ) {
             if (opts.rewrite) {