So siehts ganz gut aus !

node_modules/es5-ext/iterable/validate.js

@@ -0,0 +1,8 @@
+"use strict";
+
+var is = require("./is");
+
+module.exports = function (value) {
+	if (is(value)) return value;
+	throw new TypeError(value + " is not an iterable or array-like");
+};