packages/docs/app/routes/docs.tsx


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import type { Route } from './+types/docs';
import { redirect } from 'react-router';

import { i18n } from '@/lib/i18n';

export function loader({ params }: Route.LoaderArgs) {
  const lang = params.lang as string | undefined;
  
  // 如果没有语言参数或是默认语言，重定向到 /docs/manual/getting-started
  if (!lang || lang === i18n.defaultLanguage) {
    return redirect('/docs/manual/getting-started');
  }
  
  // 其他语言重定向到 /:lang/docs/manual/getting-started
  return redirect(`/${lang}/docs/manual/getting-started`);
}