From 68323cbd6a9de53b738be19afb81fc0f4e7c95e6 Mon Sep 17 00:00:00 2001
From: Gray Zhang <otakustay@gmail.com>
Date: Tue, 22 Feb 2022 18:09:55 +0800
Subject: [PATCH] fix: don't override user config

The incoming `inlineConfig` may be frozen and `Object.assign` may fail for `object is not extensible` error.
---
 packages/vite/src/node/http.ts | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/packages/vite/src/node/http.ts b/packages/vite/src/node/http.ts
index f1266ddb93ba12..d58cd225226f99 100644
--- a/packages/vite/src/node/http.ts
+++ b/packages/vite/src/node/http.ts
@@ -129,16 +129,16 @@ export async function resolveHttpsConfig(
   const httpsOption = isObject(https) ? https : {}
 
   const { ca, cert, key, pfx } = httpsOption
-  Object.assign(httpsOption, {
+  const httpsOptionOut = Object.assign({}, httpsOption, {
     ca: readFileIfExists(ca),
     cert: readFileIfExists(cert),
     key: readFileIfExists(key),
     pfx: readFileIfExists(pfx)
   })
-  if (!httpsOption.key || !httpsOption.cert) {
-    httpsOption.cert = httpsOption.key = await getCertificate(cacheDir)
+  if (!httpsOptionOut.key || !httpsOptionOut.cert) {
+    httpsOptionOut.cert = httpsOptionOut.key = await getCertificate(cacheDir)
   }
-  return httpsOption
+  return httpsOptionOut
 }
 
 function readFileIfExists(value?: string | Buffer | any[]) {