MIDI to OSC bridge using Node.js

index.js

var midi = require('midi');
var input = new midi.input();
console.log(input.getPortCount());
console.log(input.getPortName(1));
//   
input.openPort(0);
input.ignoreTypes(false, false, false);
//    
input.on('message', function(deltaTime, message) {
    midiMessageReceived(message);
});

var osc = require('node-osc');

var client = new osc.Client('127.0.0.1', 3333);
client.send('/oscAddress', 1, 1, 2, 3, 5, 8);


function midiMessageReceived( ev ) {
    var cmd = ev[0] >> 4;
    var channel = ev[0] & 0xf;
    var noteNumber = ev[1];
    var velocity = ev[2];
    //                           
    console.log(noteNumber);

    if ( cmd==8 || ((cmd==9)&&(velocity==0)) ) { // with MIDI, note on with velocity zero is the same as note off
        //                                            // note off
    } else if (cmd == 9) {
        // note on
    } else if (cmd == 11) {
        // controller( noteNumber, velocity/127.0);
        switch(noteNumber){
            case 1:
                break;
            case 2: 
                break;
            case 3:
                break;
            case 4:
        }
    }
};

package.json

{
  "name": "midibridge",
  "version": "0.0.0",
  "main": "index.js",
  "scripts": {
    "test": "echo \"Error: no test specified\" && exit 1"
  },
  "author": "",
  "license": "ISC",
  "dependencies": {
    "midi": "~0.9.0",
    "node-osc": "~0.2.1"
  },
  "devDependencies": {}
}