From a172ecfc95037eaec5dffa3085020ba3c28199ae Mon Sep 17 00:00:00 2001
From: Alexander Lichter <github@lichter.io>
Date: Tue, 5 Aug 2025 12:14:13 +0200
Subject: [PATCH] chore: error when rolldown-vite is detected for v1

---
 src/node/cli.ts | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/node/cli.ts b/src/node/cli.ts
index 5e0be858..ea26e93d 100644
--- a/src/node/cli.ts
+++ b/src/node/cli.ts
@@ -1,6 +1,7 @@
 import minimist from 'minimist'
 import c from 'picocolors'
 import { createLogger, type Logger } from 'vite'
+import * as vite from 'vite'
 import { build, createServer, serve } from '.'
 import { version } from '../../package.json'
 import { init } from './init/init'
@@ -49,6 +50,12 @@ if (!command || command === 'dev') {
     logVersion(server.config.logger)
     server.printUrls()
     bindShortcuts(server, createDevServer)
+    // @ts-ignore Not available in normal Vite 
+    if (!isRestart && vite.rolldownVersion) {
+      createLogger().error(
+      `${c.red(`Vitepress v1 is not compatible with \`rolldown-vite\`.`)}\n${c.red(`Use Vitepress v2 instead.`)}`
+      )
+    }
   }
   createDevServer(false).catch((err) => {
     createLogger().error(