fix space after tagname causing issue

Author: amitguptagwl

spec/data_spec.js

@@ -258,5 +258,19 @@ describe("XMLParser", function() {
         }).toThrowError("Pi Tag is not closed.")
     })
 
+    it("should parse XML when there is a space after tagname", function() {
+        const xmlData = `<tag ><![CDATA[undefined]]><nested>undefined</nested></tag>`;
+        const expected = {
+            "tag" : {
+                "#text": "undefined",
+                "nested": "undefined"
+            }
+        };
 
+        const result = parser.parse(xmlData, {
+            ignoreAttributes:       false,
+            allowBooleanAttributes: true
+        },true);
+        expect(result).toEqual(expected);
+    });
 });

src/xmlstr2xmlnode.js

@@ -272,7 +272,7 @@ const getTraversalObj = function(xmlData, options) {
           }
         }
 
-        if(tagExp.lastIndexOf("/") === tagExp.length - 1){//selfClosing tag
+        if(tagExp.length > 0 && tagExp.lastIndexOf("/") === tagExp.length - 1){//selfClosing tag
 
           if(tagName[tagName.length - 1] === "/"){ //remove trailing '/'
             tagName = tagName.substr(0, tagName.length - 1);