Utils: added tool to clean file paths (of /./ and /foo/../)

vispa/static/js/utils.js

@@ -268,6 +268,21 @@ define(["require"], function(require) {
         }
       };
     },
+
+    /** indent: 1
+     * .. js:function:: cleanPath(path)
+     *
+     *    :param String path: The path to clean up.
+     *
+     *    :return: The cleaned path.
+     *    :rtype: String
+     */
+    cleanPath: function (path) {
+      return path.
+        replace(/\/+/g, "/").
+        replace(/\/\.(?=\/|$)/g, "").
+        replace(/\/[^\/]+\/\.\.(?=\/|$)/g, "");
+    }
   };
 
   return Utils;