From 136be0bf60da72476c9e9706970c074021840ec7 Mon Sep 17 00:00:00 2001
From: Carlos Lopez <clshortfuse@gmail.com>
Date: Tue, 1 Jan 2019 17:55:25 -0500
Subject: [PATCH] fix(middleware): do not add 'null' to Content-Type

fixes: #354
---
 lib/middleware.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/middleware.js b/lib/middleware.js
index 602632b65..648820d67 100644
--- a/lib/middleware.js
+++ b/lib/middleware.js
@@ -69,7 +69,7 @@ module.exports = function wrapper(context) {
         let content = context.fs.readFileSync(filename);
         content = handleRangeHeaders(content, req, res);
 
-        let contentType = mime.getType(filename);
+        let contentType = mime.getType(filename) '' ||;
 
         // do not add charset to WebAssembly files, otherwise compileStreaming will fail in the client
         if (!/\.wasm$/.test(filename)) {