From e7a0ae8a090f07274cccd8591e57255ddde52227 Mon Sep 17 00:00:00 2001
From: Divyansh Singh <40380293+brc-dd@users.noreply.github.com>
Date: Tue, 5 Aug 2025 19:08:42 +0530
Subject: [PATCH] chore: error when trying `rolldown-vite` with vitepress v1
 (#4888)

---------

Co-authored-by: Alexander Lichter <github@lichter.io>
---
 src/node/cli.ts | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/node/cli.ts b/src/node/cli.ts
index 5e0be858..9bf2b38f 100644
--- a/src/node/cli.ts
+++ b/src/node/cli.ts
@@ -1,5 +1,6 @@
 import minimist from 'minimist'
 import c from 'picocolors'
+import * as vite from 'vite'
 import { createLogger, type Logger } from 'vite'
 import { build, createServer, serve } from '.'
 import { version } from '../../package.json'
@@ -49,6 +50,13 @@ if (!command || command === 'dev') {
     logVersion(server.config.logger)
     server.printUrls()
     bindShortcuts(server, createDevServer)
+    if (!isRestart && (vite as any).rolldownVersion) {
+      server.config.logger.error(
+        c.red(
+          '\nVitePress v1 is not compatible with `rolldown-vite`. Use VitePress v2 instead.'
+        )
+      )
+    }
   }
   createDevServer(false).catch((err) => {
     createLogger().error(