.reduce to a List

<!DOCTYPE html>
<html>

  <head>
    <script data-require="immutable.js@*" data-semver="3.7.6" src="https://cdnjs.cloudflare.com/ajax/libs/immutable/3.7.6/immutable.min.js"></script>
  </head>
  <body>
    <script src="script.js"></script>
  </body>

</html>

// make console.log write to the page for better in-browser experience
(function () {
  var body = document.querySelector('body');
  body.style['fontFamily'] = 'monospace';
  body.style['fontSize'] = '2em';
  console.log = function (x) { body.innerText += x + '\n'; };
}());


let cart = Immutable.fromJS({
  'items': [
    {
      'ASIN': 'B0008KLVVO',   
      'title': 'Paid in Full',
      'personnel': [
        {
          'name': 'Erik B',
          'role': 'DJ'
        },
        {
          'name': 'Rakim',
          'role': 'MC'
        }
      ],
      'price': 4.99
    },
    {
      'ASIN': 'B00HAPTX42',
      'title': 'Hello Nasty',
      'personnel': [
        {
          'name': 'MCA',
          'role': 'MC'
        },
        {
          'name': 'Mike D',
          'role': 'MC'
        },
        {
          'name': 'Ad-Rock',
          'role': 'MC'
        },
        {
          'name': 'Mix Master Mike',
          'role': 'DJ'
        }
      ],
      'price': 7.00
    }
  ]
})

const names = cart.get('items').reduce((p, c) => {
  const n = c.get('personnel').reduce((pi, ci) => {
    console.log(ci)
    return pi.concat(ci.get('name'))
  }, Immutable.List())
  
  return p.concat(n)
}, Immutable.List())

console.log(names.sort())

/* Styles go here */