add redirect for old url

Author: undefined-moe

app/docs/[[...slug]]/page.tsx

@@ -0,0 +1,16 @@
+import { redirect } from 'next/navigation';
+import { source } from '@/lib/source';
+
+export default async function DocsRedirectPage(props: {
+  params: Promise<{ slug?: string[] }>;
+}) {
+  const { slug } = await props.params;
+  const path = slug?.length ? `/cn/docs/${slug.join('/')}` : '/cn/docs';
+  redirect(path);
+}
+
+export async function generateStaticParams() {
+  return source.generateParams()
+    .filter((p) => p.lang === 'cn')
+    .map(({ slug }) => ({ slug }));
+}