gistfile1.js

var $q = {defer:function(){return {reject:function(){},resolve:function(){},promise:{}}}}
var db = {query:function(x,y,z){z();}};
var $rootScope = {$apply:function(fn){fn();}};

var x = {
  getEvents: function() {
          var matchCallback = null;
          var reduce = null;
          var deferred = $q.defer();

          if (arguments.length === 1) {
                  matchCallback = arguments[0];
          } else if (arguments.length === 2) {
                  matchCallback = arguments[0];
                  reduce = arguments[1];
          }

          if (matchCallback) {
                  console.log('got a match callback: ', matchCallback);
          } else {
                  console.log('no match callback.');
          }
          if (reduce) {
                  console.log('got a reduce function: ', reduce);
          } else {
                  console.log('no reduce function.');
          }

          var map = function(doc) {
                  if (matchCallback != null) {
                          console.log('matchCallback = ', matchCallback);
                          if (!matchCallback(doc)) {
                                  return;
                          }
                  }
                  if (doc.type === 'event') {
                          if (options && options.useKey) {
                                  emit(doc[options.useKey], doc);
                          } else {
                                  emit(doc.createdBy, doc);
                          }
                  } else {
                          console.log('Not an event:', doc);
                  }
          }
          var options = {};
          if (reduce) {
                  options.reduce = reduce;
          } else {
                  options.reduce = true;
          }
          db.query({map: map}, options, function(err, res) {
                  $rootScope.$apply(function() {
                          if (err) {
                                  log.error(err);
                                  deferred.reject(err);
                          } else {
                                  deferred.resolve(res);
                          }
                  });
          });
          return deferred.promise;
  }};