feat(i18n): add multi-language support for docs

3 files changed, 29 insertions, 1 deletions

diff --git a/packages/docs/app/lib/i18n.ts b/packages/docs/app/lib/i18n.ts
new file mode 100644
index 0000000..a9f18b1
--- /dev/null
+++ b/packages/docs/app/lib/i18n.ts
@@ -0,0 +1,8 @@
+import { defineI18n } from 'fumadocs-core/i18n';
+
+export const i18n = defineI18n({
+  defaultLanguage: 'zh',
+  languages: ['zh', 'en'],
+  hideLocale: 'default-locale',
+  parser: 'dir', // 使用目录结构 (content/zh/*, content/en/*)
+});
diff --git a/packages/docs/app/lib/layout.shared.tsx b/packages/docs/app/lib/layout.shared.tsx
index 6c7a35d..6e90ba0 100644
--- a/packages/docs/app/lib/layout.shared.tsx
+++ b/packages/docs/app/lib/layout.shared.tsx
@@ -1,9 +1,24 @@
 import type { BaseLayoutProps } from 'fumadocs-ui/layouts/shared';
+import { i18n } from './i18n';
 
-export function baseOptions(): BaseLayoutProps {
+export function baseOptions(locale: string): BaseLayoutProps {
+  // 默认语言（zh）不显示前缀，其他语言显示前缀
+  const isDefaultLocale = locale === i18n.defaultLanguage;
+  const localePrefix = isDefaultLocale ? '' : `/${locale}`;
+  
   return {
+    i18n,
     nav: {
       title: 'DropOut',
+      url: localePrefix || '/',
     },
+    githubUrl: 'https://github.com/HydroRoll-Team/DropOut',
+    links: [
+      {
+        type: 'main',
+        text: locale === 'zh' ? '文档' : 'Documentation',
+        url: `${localePrefix}/docs`,
+      },
+    ],
   };
 }
diff --git a/packages/docs/app/lib/source.ts b/packages/docs/app/lib/source.ts
index 97cf767..bce9bf9 100644
--- a/packages/docs/app/lib/source.ts
+++ b/packages/docs/app/lib/source.ts
@@ -1,7 +1,12 @@
 import { loader } from 'fumadocs-core/source';
 import { docs } from 'fumadocs-mdx:collections/server';
+import { i18n } from './i18n';
 
 export const source = loader({
   source: docs.toFumadocsSource(),
   baseUrl: '/docs',
+  i18n,
+  // hideLocale: 'default-locale' 会自动生成正确的 URL:
+  // - 默认语言 (zh): /docs/getting-started
+  // - 其他语言 (en): /en/docs/getting-started
 });