npm and error messages

node_modules/es6-iterator/test/valid-iterable.js

@@ -0,0 +1,28 @@
+"use strict";
+
+var iteratorSymbol = require("es6-symbol").iterator
+  , Iterator       = require("../");
+
+module.exports = function (t, a) {
+	var obj;
+	a.throws(function () {
+ t();
+}, TypeError, "Undefined");
+	a.throws(function () {
+ t({});
+}, TypeError, "Plain object");
+	a.throws(function () {
+ t({ length: 0 });
+}, TypeError, "Array-like");
+	obj = {};
+	obj[iteratorSymbol] = function () {
+ return new Iterator([]);
+};
+	a(t(obj), obj, "Iterator");
+	obj = [];
+	a(t(obj), obj, "Array");
+	obj = (function () {
+ return arguments;
+}());
+	a(t(obj), obj, "Arguments");
+};