From da79a173742f0d5113fd2a766d39e85625d153e2 Mon Sep 17 00:00:00 2001
From: Roman Timashev <roman@tmshv.ru>
Date: Mon, 13 Jul 2015 00:38:12 +0300
Subject: [PATCH] prerender: remove meta tag after prerendering;

---
 server.js | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/server.js b/server.js
index 82b8236a..e25f8f5a 100644
--- a/server.js
+++ b/server.js
@@ -20,6 +20,15 @@ app.use(bodyParser());
 app.use(logger());
 app.use(conditional());
 app.use(etag());
+
+app.use(function *(next) {
+    yield* next;
+
+    try{
+        var xp = this.response.header['x-prerender'] == 'true';
+        if(xp) this.body = this.body.replace('<meta name="fragment" content="!">', '');
+    }catch(e){}
+});
 app.use(prerender(config.prerender));
 
 app.use(serve(path.join(__dirname, "public")));