GA Hit task takeover

ga(function(tracker) {
     // Grab a reference to the default sendHitTask function.
      var originalSendHitTask = tracker.get('sendHitTask');

      // Modifies sendHitTask to send a copy of the request to a local server after
      // sending the normal request to www.google-analytics.com/collect.
      tracker.set('sendHitTask', function(model) {
        
        // sends the original hit task
        originalSendHitTask(model);

        var query = model.get('hitPayload'),
          toType = function(a) {
            return ({}).toString.call(a).match(/\s([a-zA-Z]+)/)[1].toLowerCase();
          }, map = {};
          
        // map the hit query into a proper object
        query.replace(/([^&=]+)=?([^&]*)(?:&+|$)/g, function(match, key, value) {
            if (key in map) {
                // the key already exists, so we need to check if it is an array, if not, make it an array and add the new value
                if (toType(map[key]) !== 'array') {
                    // it's not an array - make it an array
                    map[key] = [map[key]];
                }
                // push the new value into the array
                map[key].push(value);
            } else {
                // put the value into the map
                map[key] = value;
            }
        });

        console.log('0:', map);
        console.log('1:', model.get('hitPayload'));
        console.log('2:', model);
        console.log('3:', map['dp']);
    });
});