Node.js – nodejs serialport module or bluetooth-serial-port module, which one

I have a couple of nodejs examples for serial communication. One example is using the serialport module (below). I have a paired bluetooth device which is set up as rfcomm0. I can communicate with it over the command line with echo data > /dev/rfcomm0 and receive a response, so it seems to work. The problem is that it doesn't work through nodejs. The example below throws a "could not load bindings file" error when I do nodejs SerialToJson.js /dev/rfcomm0. The alternative is to use the Bluetooth-serial-port module instead but that too cannot be installed through npm because a compatible version cannot be found for the version of node I'm using. I have an idea of how to troubleshoot each problem but I don't know which to pursue, can the serialport module be used with rfcomm (serial port emulation) or is the Bluetooth-serial-port module better suited?

    /*
    SerialToJson.js
    a node.js app to read serial strings, convert them to
    JSON objects, and send them to webSocket clients
    requires:
        * node.js (http://nodejs.org/)
        * express.js (http://expressjs.com/)
        * socket.io (http://socket.io/#how-to-use)
        * serialport.js (https://github.com/voodootikigod/node-serialport)

    To call it type:
        node SerialToJSON.js portname

    where portname is the path to the serial port you want to open.

    created 1 Nov 2012
    modified 7 Nov 2012
    by Tom Igoe

*/

var serialport = require("serialport"),             // include the serialport library
    SerialPort  = serialport.SerialPort,            // make a local instance of serial
    app = require('express')(),                     // start Express framework
    server = require('http').createServer(app),     // start an HTTP server
    io = require('socket.io').listen(server);       // filter the server using socket.io

var portName = process.argv[2];                     // third word of the command line should be serial port name
console.log("opening serial port: " + portName);    // print out the port you're listening on

server.listen(8080);                                // listen for incoming requests on the server
console.log("Listening for new clients on port 8080");
var connected = false;

// open the serial port. Change the name to the name of your port, just like in Processing and Arduino:
var myPort = new SerialPort(portName, { 
    // look for return and newline at the end of each data packet:
    parser: serialport.parsers.readline("\r\n") 
});

// respond to web GET requests with the index.html page:
app.get('/', function (request, response) {
  response.sendfile(__dirname + '/index.html');
});


// listen for new socket.io connections:
io.sockets.on('connection', function (socket) {
    // if the client connects:
    if (!connected) {
        // clear out any old data from the serial bufffer:
        myPort.flush();
        // send a byte to the serial port to ask for data:
        myPort.write('c');
        console.log('user connected');
        connected = true;
    }

    // if the client disconnects:
    socket.on('disconnect', function () {
        myPort.write('x');
        console.log('user disconnected');
        connected = false;
    });

    // listen for new serial data:  
    myPort.on('data', function (data) {
        // Convert the string into a JSON object:
        var serialData = JSON.parse(data);
        // for debugging, you should see this in the terminal window:
        console.log(data);
        // send a serial event to the web client with the data:
        socket.emit('serialEvent', serialData);
    });
});