From 9381349f37deec9ab5abb3a0e60a4c487f00f6ff Mon Sep 17 00:00:00 2001
From: Evan You <yyx990803@gmail.com>
Date: Thu, 2 Feb 2023 22:32:21 +0800
Subject: [PATCH] build: only enable esModule compat for cjs builds

---
 rollup.config.mjs | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/rollup.config.mjs b/rollup.config.mjs
index e9a6e3420..e5c3b6388 100644
--- a/rollup.config.mjs
+++ b/rollup.config.mjs
@@ -104,7 +104,9 @@ function createConfig(format, output, plugins = []) {
   const isCompatBuild = !!packageOptions.compat
 
   output.exports = isCompatPackage ? 'auto' : 'named'
-  output.esModule = true
+  if (isNodeBuild) {
+    output.esModule = true
+  }
   output.sourcemap = !!process.env.SOURCE_MAP
   output.externalLiveBindings = false