gistfile1.js

module.exports = {
    io: null,
    socket: null,
    createReactiveMethod: function() {},

    initialize: function(server) {
        console.log("initialized!");
        this.io = require('socket.io').listen(server);

        var that = this;

        this.io.sockets.on('connection', function(socket) {
            that.socket = socket;
            that.createReactiveMethod = createReactiveMethod.bind( this );
        });
    }
}

function createReactiveMethod(name, callback) {
    console.log("creating method " + name);
    this.socket.on(name, callback);
}