From 371b650d7123d6355e0231e6583a52bbf73e9b6c Mon Sep 17 00:00:00 2001
From: alex8088 <244096523@qq.com>
Date: Sun, 12 Apr 2026 16:24:56 +0800
Subject: [PATCH] fix: chunk filename is wrong in ES mode

---
 src/plugins/electron.ts | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/plugins/electron.ts b/src/plugins/electron.ts
index 57b415b..b6dda4b 100644
--- a/src/plugins/electron.ts
+++ b/src/plugins/electron.ts
@@ -254,7 +254,9 @@ export function electronPreloadConfigPresetPlugin(options?: ElectronPluginOption
             })
           } else {
             config.build.rolldownOptions!.output!['entryFileNames'] = '[name].mjs'
-            config.build.rolldownOptions!.output!['chunkFileNames'] = '[name]-[hash].mjs'
+            config.build.rolldownOptions!.output!['chunkFileNames'] = config.build.lib
+              ? '[name]-[hash].mjs'
+              : path.posix.join(build.assetsDir || defaultConfig.build.assetsDir, '[name]-[hash].mjs')
           }
         }
       }