es6

app.js

import Settings from 'settings'

var App  = function(){
  secretAdminStuff: function(){
    if (settings.admin){
      // return all your admin stuff!! 
    }else{
      // return nothing!
    }
  },
}

settngs.js

var Settings = function(){
  admin: false,
  environment: "development"
}

export Settings;