README

<script src="https://www.webrtc-experiment.com/data-connection.js"></script>

var connection = new DataConnection( /* 'optional::firebase-channel' */);

// check pre-established connections
connection.check('connection-name');

document.getElementById('setup-new-connection').onclick = function() {
    connection.setup('connection-name');
};

connection.send('longest possible text message');

connection.channels['user-id'].send('longest possible text message');

// error to open data connection
connection.onerror = function(event, userid) {}

// data ports suddenly dropped
connection.onclose = function(event, userid) {}

connection.userid = 'username';

connection.openSignalingChannel = function(callback) {
    return io.connect().on('message', callback);
};

io.sockets.on('connection', function (socket) {
    socket.on('message', function (data) {
        socket.broadcast.emit('message', data);
    });
});

// "chat" is your firebase id
connection.firebase = 'chat';

connection.onconnection = function(room) {
    var button = document.createElement('button');
    button.onclick = function() {
        connection.join(room);
    };
};

connection.onuserleft = function(userid) {
    console.debug(userid, 'left');
};