editor: warn user before exit

[fnpeditor.git] / src / smartxml / smartxml.js

diff --git a/src/smartxml/smartxml.js b/src/smartxml/smartxml.js
index f92bf01..acbe04d 100644 (file)
--- a/src/smartxml/smartxml.js
+++ b/src/smartxml/smartxml.js
@@ -222,7 +222,12 @@ $.extend(TextNode.prototype, {
 
 
 var parseXML = function(xml) {
-    return $($.trim(xml))[0];
+    var toret = $($.trim(xml));
+    if(!toret.length) {
+        throw new Error('Unable to parse XML: ' + xml);
+    }
+    return toret[0];
+
 };
 
 var registerTransformation = function(desc, name, target) {
@@ -276,6 +281,9 @@ $.extend(Document.prototype, Backbone.Events, {
                     /* globals document */
                     from = document.createTextNode(from.text);
                 } else {
+                    if(!from.tagName) {
+                        throw new Error('tagName missing');
+                    }
                     var node = $('<' + from.tagName + '>');
 
                     _.keys(from.attrs || {}).forEach(function(key) {