From cdf0720a69eb164bc2ea87be88b3c4c5deebb168 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Gautier=20Ben=20A=C3=AFm?=
 <48261497+GauBen@users.noreply.github.com>
Date: Wed, 15 Jan 2025 00:01:39 +0100
Subject: [PATCH] fix: environments might be an empty object

---
 packages/vite/src/node/baseEnvironment.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/vite/src/node/baseEnvironment.ts b/packages/vite/src/node/baseEnvironment.ts
index c3202ccf06d28e..b90149d1407ad2 100644
--- a/packages/vite/src/node/baseEnvironment.ts
+++ b/packages/vite/src/node/baseEnvironment.ts
@@ -52,7 +52,7 @@ export class PartialEnvironment {
   constructor(
     name: string,
     topLevelConfig: ResolvedConfig,
-    options: ResolvedEnvironmentOptions = topLevelConfig.environments[name],
+    options: ResolvedEnvironmentOptions = topLevelConfig.environments?.[name] ?? {},
   ) {
     // only allow some characters so that we can use name without escaping for directory names
     // and make users easier to access with `environments.*`