So siehts ganz gut aus !

node_modules/es5-ext/string/#/code-point-at/is-implemented.js

@@ -0,0 +1,8 @@
+"use strict";
+
+var str = "abc\uD834\uDF06def";
+
+module.exports = function () {
+	if (typeof str.codePointAt !== "function") return false;
+	return str.codePointAt(3) === 0x1D306;
+};