lib/assets/javascripts/extensions.coffee in material_raingular-0.1.5.9 vs lib/assets/javascripts/extensions.coffee in material_raingular-0.1.6.0

@@ -45,10 +45,10 @@
 Array.prototype.includes = (entry)->
   unless entry.hasOwnProperty('id')
     return @.indexOf(entry) > -1
   @.pluck('id').includes(entry.id)
 Array.prototype.drop = (entry)->
-  if entry.hasOwnProperty('id')
+  if (entry || {}).hasOwnProperty('id')
     index = @.pluck('id').indexOf(entry.id)
   else
     index = @.indexOf(entry)
   return this unless index > -1
   @.splice(index,1)