From 57276b723749e647b81f0a67c8c7b69303f95cf7 Mon Sep 17 00:00:00 2001
From: OneNail <onenail@yeah.net>
Date: Sat, 17 Dec 2022 02:59:07 -0800
Subject: [PATCH] fix: server and preview open fails to add slash before
 relative path (#11394)

---
 packages/vite/src/node/preview.ts      | 2 +-
 packages/vite/src/node/server/index.ts | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/packages/vite/src/node/preview.ts b/packages/vite/src/node/preview.ts
index dd8180faa7dc3e..4a5d66838bad94 100644
--- a/packages/vite/src/node/preview.ts
+++ b/packages/vite/src/node/preview.ts
@@ -161,7 +161,7 @@ export async function preview(
     openBrowser(
       path.startsWith('http')
         ? path
-        : `${protocol}://${hostname.name}:${serverPort}${path}`,
+        : new URL(path, `${protocol}://${hostname.name}:${serverPort}`).href,
       true,
       logger,
     )
diff --git a/packages/vite/src/node/server/index.ts b/packages/vite/src/node/server/index.ts
index f9e84ea1394b20..c069ddf852c3fa 100644
--- a/packages/vite/src/node/server/index.ts
+++ b/packages/vite/src/node/server/index.ts
@@ -679,7 +679,7 @@ async function startServer(
     openBrowser(
       path.startsWith('http')
         ? path
-        : `${protocol}://${hostname.name}:${serverPort}${path}`,
+        : new URL(path, `${protocol}://${hostname.name}:${serverPort}`).href,
       true,
       server.config.logger,
     )