irc - async example w/ async.js

gistfile1.js

function getRooms(callback) {
  client.smembers('rooms', callback)
}

function getResults(rooms, callback) {
  async.parallel(rooms, function(room, callback) {
    client.hgetall('room_' + room, callback);
  }, callback);
}

socket.on('list rooms', function(data){
  async.waterfall([
    getRooms,
    getResults
  ], function(err, results) {
    socket.emit('list rooms', JSON.stringify(results));
  })
})