From 1468f1f690a39a4b98d1d7803d26ca0248c87d2f Mon Sep 17 00:00:00 2001
From: Sune Simonsen <sune@we-knowhow.dk>
Date: Wed, 27 Feb 2019 08:50:52 +0100
Subject: [PATCH] Don't consider an attribute with an empty string as absent

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

diff --git a/src/index.js b/src/index.js
index b4224b02..b0d115c7 100644
--- a/src/index.js
+++ b/src/index.js
@@ -1548,7 +1548,7 @@ module.exports = {
             ) {
               score += ids.indexOf(attributeName) === -1 ? 1 : 100;
             }
-          } else if (!attributes[attributeName]) {
+          } else if (typeof attributes[attributeName] === 'undefined') {
             score++;
           }
         });