yjsTest > Y promise doesn't return anything?

yjsTest.js

// you need to create and inject a IPFS object
const IPFS = require('ipfs')

const Y = require('yjs')
require('y-ipfs-connector')(Y)
// other Yjs deps:
require('y-memory')(Y)
require('y-array')(Y)
require('y-text')(Y)


// create IPFS node
const ipfsNode = new IPFS({
  EXPERIMENTAL: {
    pubsub: true // need this to work
  }
})

Y({
  db: {
    name: 'memory'
  },
  connector: {
    name: 'ipfs', // use the IPFS connector
    ipfs: ipfsNode, // inject the IPFS object
    room: 'Textarea-example-dev'
  },
  sourceDir: '/node_modules', // location of the y-* modules
  share: {
    textarea: 'Text' // y.share.textarea is of type Y.Text
  }
}).then(function(y) { //ok so they use promises ...
 
  // bind the textarea to a shared text element
  return y;
})