So siehts ganz gut aus !

node_modules/es5-ext/object/is-natural-number-value.js

@@ -0,0 +1,9 @@
+"use strict";
+
+var isNaturalNumber = require("./is-natural-number")
+  , isValue         = require("./is-value");
+
+module.exports = function (arg) {
+	if (!isValue(arg)) return false;
+	return isNaturalNumber(arg);
+};