From 083e50777526ed729582a349f3d5c6550f25d794 Mon Sep 17 00:00:00 2001
From: SoonIter <sooniter@gmail.com>
Date: Tue, 10 Feb 2026 18:01:29 +0800
Subject: [PATCH] chore: update

---
 packages/core/src/node/utils/reactAlias.ts    | 32 +++++++++++++++----
 .../core/src/runtime/ssrMdServerEntry.tsx     |  6 ++--
 packages/core/src/runtime/ssrServerEntry.tsx  |  3 +-
 3 files changed, 32 insertions(+), 9 deletions(-)

diff --git a/packages/core/src/node/utils/reactAlias.ts b/packages/core/src/node/utils/reactAlias.ts
index 48df3dbd06..9f54d4eea7 100644
--- a/packages/core/src/node/utils/reactAlias.ts
+++ b/packages/core/src/node/utils/reactAlias.ts
@@ -24,11 +24,11 @@ async function detectPackageMajorVersion(
   return undefined;
 }
 
-export async function resolveReactRouterDomAlias(): Promise<
-  Record<string, string>
-> {
-  const hasInstalled = await detectPackageMajorVersion('react-router-dom');
-  const basedir = hasInstalled ? process.cwd() : PACKAGE_ROOT;
+export async function resolveReactRouterDomAlias(): Promise<{
+  [key: string]: string;
+}> {
+  const majorVersion = await detectPackageMajorVersion('react-router-dom');
+  const basedir = majorVersion ? process.cwd() : PACKAGE_ROOT;
 
   const alias: Record<string, string> = {};
   const resolver = new Resolver({
@@ -49,8 +49,28 @@ export async function resolveReactRouterDomAlias(): Promise<
     if (!resolved.path) {
       throw Error(`'react-router-dom' resolved to empty path`);
     }
+
+    const routerDomDir = path.dirname(resolved.path);
+
+    // In react-router-dom v6, StaticRouter is exported from
+    // 'react-router-dom/server', not the main entry. For SSR environments,
+    // we create a shim that re-exports everything from the main entry plus
+    // StaticRouter from the server subpath.
+    if (majorVersion && majorVersion < 7) {
+      const serverMjsPath = path.join(routerDomDir, 'server.mjs');
+      const hasServerMjs = await pathExists(serverMjsPath);
+
+      if (hasServerMjs) {
+        return {
+          'react-router-dom': routerDomDir,
+          REACT_ROUTER_DOM_SERVER: path.join(routerDomDir, 'server.mjs'),
+        };
+      }
+    }
+
     return {
-      'react-router-dom': path.dirname(resolved.path),
+      'react-router-dom': routerDomDir,
+      REACT_ROUTER_DOM_SERVER: routerDomDir,
     };
   } catch (e) {
     logger.warn('react-router-dom not found: \n', e);
diff --git a/packages/core/src/runtime/ssrMdServerEntry.tsx b/packages/core/src/runtime/ssrMdServerEntry.tsx
index bab8bda3e4..f03141e62f 100644
--- a/packages/core/src/runtime/ssrMdServerEntry.tsx
+++ b/packages/core/src/runtime/ssrMdServerEntry.tsx
@@ -1,5 +1,8 @@
 // biome-ignore lint/suspicious/noTsIgnore: bundleless
-// @ts-ignore
+// @ts-expect-error
+
+// @ts-expect-error in v7, StaticRouter is exported from the main entry, but in v6 it's exported from 'react-router-dom/server'
+import { StaticRouter } from 'REACT_ROUTER_DOM_SERVER';
 import { renderToMarkdownString } from '@rspress/core/_private/react';
 import {
   PageContext,
@@ -9,7 +12,6 @@ import {
   withBase,
 } from '@rspress/core/runtime';
 import { type Unhead, UnheadProvider } from '@unhead/react/server';
-import { StaticRouter } from 'react-router-dom';
 import { App } from './App';
 import { initPageData } from './initPageData';
 
diff --git a/packages/core/src/runtime/ssrServerEntry.tsx b/packages/core/src/runtime/ssrServerEntry.tsx
index 124e8962eb..e2b64a03f4 100644
--- a/packages/core/src/runtime/ssrServerEntry.tsx
+++ b/packages/core/src/runtime/ssrServerEntry.tsx
@@ -1,3 +1,5 @@
+// @ts-expect-error in v7, StaticRouter is exported from the main entry, but in v6 it's exported from 'react-router-dom/server'
+import { StaticRouter } from 'REACT_ROUTER_DOM_SERVER';
 import { PassThrough } from 'node:stream';
 import { text } from 'node:stream/consumers';
 import {
@@ -10,7 +12,6 @@ import {
 import { type Unhead, UnheadProvider } from '@unhead/react/server';
 import type { ReactNode } from 'react';
 import { renderToPipeableStream } from 'react-dom/server';
-import { StaticRouter } from 'react-router-dom';
 import { App } from './App';
 import { initPageData } from './initPageData';