From 28f31f85a089fe375615399d30864039e3a5fe53 Mon Sep 17 00:00:00 2001
From: Alan Sikora <alan@aocarina.com>
Date: Mon, 12 Oct 2015 11:48:51 -0300
Subject: [PATCH] add safe assign line to make sure map is not trying to loop
 on top of undefined

---
 lib/server/publish_context.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/server/publish_context.js b/lib/server/publish_context.js
index bb3a355..64e599a 100644
--- a/lib/server/publish_context.js
+++ b/lib/server/publish_context.js
@@ -40,6 +40,7 @@ PublishContext.prototype.added = function(collection, id, fields) {
 
 PublishContext.prototype.changed = function(collection, id, fields) {
   var collectionData = this._collectionData;
+  collectionData[collection] = collectionData[collection] || [];
 
   collectionData[collection] = collectionData[collection].map(function(doc) {
     if (doc._id === id) {
@@ -82,4 +83,4 @@ PublishContext.prototype.ready = function() {
 };
 
 PublishContext.prototype.error = function() {};
-PublishContext.prototype.stop = function() {};
\ No newline at end of file
+PublishContext.prototype.stop = function() {};