So siehts ganz gut aus !

node_modules/es5-ext/iterable/is.js

@@ -0,0 +1,11 @@
+"use strict";
+
+var iteratorSymbol = require("es6-symbol").iterator
+  , isValue        = require("../object/is-value")
+  , isArrayLike    = require("../object/is-array-like");
+
+module.exports = function (value) {
+	if (!isValue(value)) return false;
+	if (typeof value[iteratorSymbol] === "function") return true;
+	return isArrayLike(value);
+};