From 00009cad8259b76d82de091712dbb95ec40faa1b Mon Sep 17 00:00:00 2001
From: clement chevalier <chevalier.frugier@gmail.com>
Date: Thu, 3 Nov 2016 16:43:39 +0100
Subject: [PATCH 1/2] solve 0 key see as no key

Actualy when a key is set to 0, the firebase-document think that there is no key, but firebase can self generate key at 0 from array, and the concerned item will be untouchable.
---
 firebase-document.html | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/firebase-document.html b/firebase-document.html
index f498df6..823072a 100644
--- a/firebase-document.html
+++ b/firebase-document.html
@@ -86,7 +86,7 @@
           reject(new Error('No app configured!'));
         }
 
-        if (key) {
+        if (key !== undefined) {
           path = parentPath + '/' + key;
           resolve(this._setFirebaseValue(path, this.data));
         } else {

From 6df1e8aaf86fc3e37610a3ab14d6b0d9d5ab573d Mon Sep 17 00:00:00 2001
From: clement chevalier <chevalier.frugier@gmail.com>
Date: Thu, 3 Nov 2016 19:57:37 +0100
Subject: [PATCH 2/2] better test for undefined key

---
 firebase-document.html | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/firebase-document.html b/firebase-document.html
index 823072a..2596c68 100644
--- a/firebase-document.html
+++ b/firebase-document.html
@@ -86,7 +86,7 @@
           reject(new Error('No app configured!'));
         }
 
-        if (key !== undefined) {
+        if (typeof key !== 'undefined') {
           path = parentPath + '/' + key;
           resolve(this._setFirebaseValue(path, this.data));
         } else {