From 6dfa6a1f6b41f0822eb27fc2019722fb37bff088 Mon Sep 17 00:00:00 2001
From: Sahar Jafari <shr.jafari@gmail.com>
Date: Fri, 18 Dec 2015 10:20:26 -0800
Subject: [PATCH] [header] Don't assign preview when there is an error in yaml

Fixes https://github.com/swagger-api/swagger-editor/issues/693.
---
 app/scripts/controllers/header.js | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/app/scripts/controllers/header.js b/app/scripts/controllers/header.js
index af588dfd703..7fd4fe4f8df 100644
--- a/app/scripts/controllers/header.js
+++ b/app/scripts/controllers/header.js
@@ -163,6 +163,11 @@ SwaggerEditor.controller('HeaderCtrl', function HeaderCtrl($scope, $modal,
     var yaml = $rootScope.editorValue;
     YAML.load(yaml, function (error, json) {
 
+      // Don't assign if there is an error
+      if (error) {
+        return;
+      }
+
       // if `yaml` is JSON, convert it to YAML
       var jsonParseError = null;
       try {