From c05d746d738ba2e92df8b42b6de75b13b0d3ad1b Mon Sep 17 00:00:00 2001
From: Jared Tabor <jtabor@ansible.com>
Date: Thu, 4 Dec 2014 11:59:07 -0500
Subject: [PATCH] Fixed empty Extra Variable JSON parsing issue

if the user saved a job template with empty extra variables and the Parse as option as JSON, then the UI crapped out. I added a check to make sure the default string is '{}' if the user submits an empty field.
---
 awx/ui/static/js/helpers/Variables.js | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/awx/ui/static/js/helpers/Variables.js b/awx/ui/static/js/helpers/Variables.js
index a1b2047eef..b8d2226201 100644
--- a/awx/ui/static/js/helpers/Variables.js
+++ b/awx/ui/static/js/helpers/Variables.js
@@ -87,6 +87,10 @@ angular.module('VariablesHelper', ['Utilities'])
             // lines, i, newVars = [];
             if (parseType === 'json') {
                 try {
+                    // perform a check to see if the user cleared the field completly
+                    if(variables === "" ){
+                        variables = "{}";
+                    }
                     //parse a JSON string
                     if (reviver) {
                         json_data = JSON.parse(variables, reviver);
@@ -103,7 +107,7 @@ angular.module('VariablesHelper', ['Utilities'])
                 }
             } else {
                 try {
-                    if(variables=== ""){
+                    if(variables === ""){
                         variables = '---';
                     }
                     json_data = jsyaml.load(variables);