client.coffee

$ = require('jquery')
$ ->
  $('#input').keypress (e) ->
    if e.keyCode == 10 || e.keyCode == 13
      live.send 'relay', $('#input').val()
      $('#input').val('').focus()

live = require('./live').client()
  .expose
    serverMessage: (name, message) ->
      console.log "*** #{name} #{message}" 
    talk: (name, message) ->
      $('<dt>', {text: name}).appendTo('#chat')
      $('<dd>', {text: message}).appendTo('#chat')
    getName: (cb) ->
      name = prompt("What is your name")
      if name then cb(false, name)
      else cb(true)

server.coffee

app.get '/:page?', loadUser, (req, res) ->
  page = req.params.page or 'index'
  
  req.bidi
    .send 'getName', (err, name) ->
      req.bidi.name = name
      req.bidi.broadcast 'serverMessage', name, "connected"
    .expose
      relay: (msg) ->
        console.log "Relay called"
        req.bidi.broadcast 'talk', @name, msg