add node modules to repo

node_modules/map-obj/index.js

@@ -0,0 +1,13 @@
+'use strict';
+module.exports = function (obj, cb) {
+	var ret = {};
+	var keys = Object.keys(obj);
+
+	for (var i = 0; i < keys.length; i++) {
+		var key = keys[i];
+		var res = cb(key, obj[key], obj);
+		ret[res[0]] = res[1];
+	}
+
+	return ret;
+};