Initial commit from Create Fumadocs App

proxy.ts

@@ -0,0 +1,29 @@
+import { NextRequest, NextResponse } from 'next/server';
+import { isMarkdownPreferred, rewritePath } from 'fumadocs-core/negotiation';
+import { docsContentRoute, docsRoute } from '@/lib/shared';
+
+const { rewrite: rewriteDocs } = rewritePath(
+  `${docsRoute}{/*path}`,
+  `${docsContentRoute}{/*path}/content.md`,
+);
+const { rewrite: rewriteSuffix } = rewritePath(
+  `${docsRoute}{/*path}.md`,
+  `${docsContentRoute}{/*path}/content.md`,
+);
+
+export default function proxy(request: NextRequest) {
+  const result = rewriteSuffix(request.nextUrl.pathname);
+  if (result) {
+    return NextResponse.rewrite(new URL(result, request.nextUrl));
+  }
+
+  if (isMarkdownPreferred(request)) {
+    const result = rewriteDocs(request.nextUrl.pathname);
+
+    if (result) {
+      return NextResponse.rewrite(new URL(result, request.nextUrl));
+    }
+  }
+
+  return NextResponse.next();
+}