npm and error messages

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

@@ -0,0 +1,15 @@
+"use strict";
+
+var indexOf = require("./e-index-of")
+
+  , filter = Array.prototype.filter
+
+  , isFirst;
+
+isFirst = function (value, index) {
+	return indexOf.call(this, value) === index;
+};
+
+module.exports = function () {
+ return filter.call(this, isFirst, this);
+};