Izmjenjena struktura, dodan backand

web/node_modules/es5-ext/array/#/_compare-by-length.js

@@ -0,0 +1,9 @@
+// Used internally to sort array of lists by length
+
+"use strict";
+
+var toPosInt = require("../../number/to-pos-integer");
+
+module.exports = function (arr1, arr2) {
+	return toPosInt(arr1.length) - toPosInt(arr2.length);
+};