From f2d64d767606fd207213a25db999ba0a47cbbf42 Mon Sep 17 00:00:00 2001
From: Zaid Abdulla <zaid@genieacs.com>
Date: Sat, 16 Sep 2017 22:16:44 -0700
Subject: [PATCH] Fix bug deleting specific object instances

---
 lib/session.coffee | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lib/session.coffee b/lib/session.coffee
index 4b04d9a..dc0cc20 100644
--- a/lib/session.coffee
+++ b/lib/session.coffee
@@ -548,6 +548,7 @@ runDeclarations = (sessionContext, declarations) ->
 
       parent = common.addPathMeta(path.slice(0, -1))
 
+      keys = null
       if Array.isArray(path[path.length - 1])
         keys = {}
         for p, i in path[path.length - 1] by 2
@@ -1288,6 +1289,9 @@ processInstances = (sessionContext, parent, parameters, keys, minInstances, maxI
     else if counter <= minInstances
       instancesToDelete.delete(p)
 
+  # Key is null if deleting a particular instance rather than use alias
+  return if not keys
+
   superset = instancesToCreate.superset(keys)
   for inst in superset
     ++ counter