So siehts ganz gut aus !

node_modules/es5-ext/object/compact.js

@@ -0,0 +1,10 @@
+"use strict";
+
+var filter  = require("./filter")
+  , isValue = require("./is-value");
+
+module.exports = function (obj) {
+	return filter(obj, function (val) {
+		return isValue(val);
+	});
+};