npm and error messages

node_modules/es5-ext/array/#/is-uniq.js

@@ -0,0 +1,14 @@
+"use strict";
+
+var indexOf = require("./e-index-of")
+
+  , every = Array.prototype.every
+  , isFirst;
+
+isFirst = function (value, index) {
+	return indexOf.call(this, value) === index;
+};
+
+module.exports = function () {
+ return every.call(this, isFirst, this);
+};