previousPathName

public/react/src/modules/courses/Index.js

@@ -296,10 +296,11 @@ class CoursesIndex extends Component{
 
     componentDidMount(){
         // this.updataleftNav()
-        this.historyArray = []
+        this.historyArray = [location.pathname];
+
         this.props.history.listen( location =>  {
-			console.log(location)
-            this.historyArray.unshift(location.pathname)
+			console.log(location);
+            this.historyArray.unshift(location.pathname);
             this.historyArray.length = 2;
 			//Do your stuff here
 		});