javascipt funciotn question

var data = "exports = module.exports = {
    room1: 'public',
    room2: 'public',
    room3: 'public'
};"
var f = new Function('var module={},exports=null;\n'+data+'\nif(typeof module.exports !== "undefined") {\nreturn module.exports;\n}\nif(null != exports) {\n return exports;\n}');
var exports = f();