nowjs join path based group

nowjs-join-path-based-group.js

// Client

now.ready = function() { 
  now.changeGroup(window.location.pathname) 
}

// Server
var app = express.createServer();
var nowjs = require("now");
var everyone = nowjs.initialize(app);

app.get('/', function(req, res){
  hash = hashForPath(req.socket.remoteAddress);
  res.redirect('/' + hash);
});

app.get('/:pathname', function(req, res){
  res.render('show');
});

everyone.now.changeGroup = function(pathname){
  groupId = pathname.replace( /\//, '' )
  nowjs.getGroup(groupId).addUser(this.user.clientId);
  console.log("Joined: " + groupId);
};