From 676b098305aa4d92c1d527785d5f27e0602c9051 Mon Sep 17 00:00:00 2001
From: Yuri Astrakhan <yurik@wikimedia.org>
Date: Fri, 7 Aug 2015 13:22:35 +0200
Subject: [PATCH] Handle null uri.pathname bug

Sometimes modules do not require a full path,
and can use shorter version, e.g.   overzoom://?source=blah
which results in the null pathname, which fails in the unescape.
---
 lib/tilelive.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/tilelive.js b/lib/tilelive.js
index 09b848b..00d58da 100644
--- a/lib/tilelive.js
+++ b/lib/tilelive.js
@@ -76,7 +76,9 @@ tilelive.load = function(uri, callback) {
 
     if (typeof uri === 'string') {
         uri = url.parse(uri, true);
-        uri.pathname = qs.unescape(uri.pathname);
+        if (uri.pathname) {
+            uri.pathname = qs.unescape(uri.pathname);
+        }
     }
 
     // Handle uris in the format /path/to/dir?id=bar