Socket.io and mongoose virtual

// app/models/feed.js

const FeedSchema = new Schema(
  {
    user: { type: Schema.ObjectId, ref: 'User' },
    toolkit: { type: Schema.ObjectId, ref: 'Item' },
    notes: { type: String, required: true },
    trx_date: { type: Date }
  }
);

FeedSchema.set('toObject', { getters: true  });

// Virtual date_formatted
FeedSchema
  .virtual('trx_date_formatted')
  .get(function () {
    return this.trx_date ? moment(this.trx_date).format('YYYY-MM-DD') : '';
  });

module.exports = mongoose.model('Feed', FeedSchema);
==============================================================================================================

// routes/home.js
// == Open socket.io connection ==
  io.sockets.on('connection', (socket) => {
    async.parallel({
      toolkits: function (callback) {
        Toolkit
          .find({})
          .sort({ updatedAt: -1, createdAt: -1})
          .select('item_name stock')
          .exec(callback);
      },

      feeds: function (callback) {
        Feed
          .find({})
          .sort({ trx_date: -1})
          .populate('user')
          .populate('toolkit')
          .exec(callback);
      }
    }, function (err, results) {
      if (err) {
        throw err;
      }

      connections.push(socket);
      console.log('Connected: %s sockets connected', connections.length);

      // disconnect
      socket.on('disconnect', (data) => {
        connections.splice(connections.indexOf(socket), 1);
        console.log('Disconnected: %s sockets connected', connections.length);
      });

      console.log(results.feeds);     // i can see "trx_date_formatted" virtual here

      // show the latest toolkit items and feeds
      io.sockets.emit('show items', { item: results.toolkits, feed: results.feeds });
    });
==============================================================================================================

// views/index.hbs
<script src="/socket.io/socket.io.js" type="text/javascript"></script>
<script>
  'use strict';

  var socket = io();
  socket.on('show items', function (data) {
    var toolkitItem = data.item;
    var feedItem = data.feed;

    console.log(feedItem);      // i can't see trx_date_formatted here
    ...
</script>