From 6aa0a364f2c2da8514449fff94f06d8d2b863f40 Mon Sep 17 00:00:00 2001
From: Markko Legonkov <max@brightspark.ee>
Date: Sat, 1 Apr 2017 13:40:56 +0300
Subject: [PATCH] add cache-control header to client source

---
 lib/index.js | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/index.js b/lib/index.js
index 9f73d5faf8..c86f4e92c6 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -321,6 +321,7 @@ Server.prototype.serve = function(req, res){
   }
 
   debug('serve client source');
+  res.setHeader("Cache-Control", "public, max-age=0");
   res.setHeader('Content-Type', 'application/javascript');
   res.setHeader('ETag', expectedEtag);
   res.setHeader('X-SourceMap', 'socket.io.js.map');