From 52499221874e23ec437c416f4fc5ef3edb771857 Mon Sep 17 00:00:00 2001
From: Anthony Fu <anthonyfu117@hotmail.com>
Date: Fri, 3 Jun 2022 21:21:32 +0800
Subject: [PATCH] chore: update

---
 src/node/plugin.ts | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/src/node/plugin.ts b/src/node/plugin.ts
index af91a343..05dc9808 100644
--- a/src/node/plugin.ts
+++ b/src/node/plugin.ts
@@ -215,6 +215,17 @@ export async function createVitePressPlugin(
             delete bundle[name]
           }
         }
+
+        // in Vite v3
+        // we generate a fake package.json to make the output `.js` as ESM
+        // @ts-ignore
+        if (config.ssr?.format === 'esm') {
+          this.emitFile({
+            type: 'asset',
+            fileName: 'package.json',
+            source: '{ "private": true, "type": "module" }'
+          })
+        }
       } else {
         // client build:
         // for each .md entry chunk, adjust its name to its correct path.