So siehts ganz gut aus !

node_modules/es5-ext/number/is-integer/shim.js

@@ -0,0 +1,8 @@
+// Credit: http://www.2ality.com/2014/05/is-integer.html
+
+"use strict";
+
+module.exports = function (value) {
+	if (typeof value !== "number") return false;
+	return value % 1 === 0;
+};