So siehts ganz gut aus !

node_modules/es5-ext/string/#/ends-with/implement.js

@@ -0,0 +1,9 @@
+"use strict";
+
+if (!require("./is-implemented")()) {
+	Object.defineProperty(String.prototype, "endsWith",
+		{ value: require("./shim"),
+configurable: true,
+enumerable: false,
+			writable: true });
+}