So siehts ganz gut aus !

node_modules/es5-ext/string/#/capitalize.js

@@ -0,0 +1,8 @@
+"use strict";
+
+var value = require("../../object/valid-value");
+
+module.exports = function () {
+	var str = String(value(this));
+	return str.charAt(0).toUpperCase() + str.slice(1);
+};