From 590b506d14737cfbe5e57f0008601a5071d5cd44 Mon Sep 17 00:00:00 2001
From: Kale Franz <kfranz@23andme.com>
Date: Tue, 4 Nov 2014 10:37:19 -0800
Subject: [PATCH] make empty string a valid extension option

---
 index.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/index.js b/index.js
index 5707ada..2f12988 100644
--- a/index.js
+++ b/index.js
@@ -24,7 +24,7 @@ module.exports = function(options) {
   'use strict';
 
   var opts = options ? clone(options) : {};
-  opts.ext = opts.ext || ".html";
+  opts.ext = opts.ext != null ? opts.ext : ".html";
 
   if (opts.defaults) {
     swig.setDefaults(opts.defaults);