add some packages

node_modules/to-fast-properties/index.js

@@ -0,0 +1,11 @@
+'use strict';
+module.exports = function toFastproperties(o) {
+	function Sub() {}
+	Sub.prototype = o;
+	var receiver = new Sub(); // create an instance
+	function ic() { return typeof receiver.foo; } // perform access
+	ic(); 
+	ic();
+	return o;
+	eval("o" + o); // ensure no dead code elimination
+}