rehanift

  var getFriendsInApp = function (callback) {
      FB.login(function (response) { // Force FB client to re-authorize
        var friends = "SELECT uid, name, pic_square FROM user WHERE uid = me() OR uid IN (SELECT uid2 FROM friend WHERE uid1 = me())",
          friends_in_app = "SELECT uid, name, pic_square FROM user WHERE is_app_user AND uid IN (SELECT uid2 FROM friend WHERE uid1 = me())"
        FB.api({
          method: 'fql.query',
          query: friends_in_app
        }, callback);
      });
    };

rehanift

var vm = function(){
  //avoid contextify's js wrapper
  var contextifyPath = require('path').resolve(require.resolve('contextify'), '..', '..');
  var contextify = require('bindings')({
    module_root: contextifyPath,
    bindings: 'contextify.node'
  });
  // basic WeakMap shim if not available
  var WM = typeof WeakMap !== 'undefined' ? WeakMap : function WeakMap(){
    var keys = [], values = [];