From ab49feb1094f3a9afcf0275c6556fd2ad3acf8ed Mon Sep 17 00:00:00 2001
From: Kit <kit@Kits-MacBook-Pro.local>
Date: Mon, 8 May 2017 14:24:33 +0800
Subject: [PATCH] fixed empty or null response

---
 firebase-paginator.js | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/firebase-paginator.js b/firebase-paginator.js
index 426a49d..bd7cb52 100644
--- a/firebase-paginator.js
+++ b/firebase-paginator.js
@@ -181,7 +181,11 @@ function FirebasePaginator(ref, defaults) {
             if (request.readyState === 4) {
               var response = JSON.parse(request.responseText);
               if (request.status === 200) {
-                resolve(Object.keys(response));
+                if (response){
+                  resolve(Object.keys(response));
+                } else {
+                  resolve([]);
+                }
               } else {
                 reject(response);
               }