NodeJS minimal `sintra` style router

node-sinatra.js

/**
 * Node.JS Sinatra Style Routing
 */

var routes = {}
  , http = require('http')
  , parse = require('url').parse
  , server = http.createServer();

/**
 * @class http.ServerResponse
 * @method send
 * @param {Object/String} message Data to send
 * @optional {Number} code HTTP Status Code
 * @optionsal {String} type Content-Type
 */

http.ServerResponse.prototype.send = function(message, code, type) {
  code = code || 200;
  type = type || 'text/html';
  if (/object/.test(typeof(message))) {
    message = JSON.stringify(message);
    type = 'application/json';
  };
  this.writeHead(code, { 'Content-Type': type });
  this.end(message);
};

/**
 * @method addRoute
 * @param {String} path URL endpoint
 * @param {String} method HTTP Method
 * @param {Function} fn Callback function
 */

function addRoute(path, method, fn) {
  routes[path] = {};
  routes[path][method] = fn;
};

/**
 * @method route
 * @param {Object} request HTTP Request object
 * @param {Object} response HTTP Response object
 */

function route(request, response) {
  var pathname = parse(request.url).pathname;
  if (routes[pathname] && routes[pathname][request.method]) {
    var handle = routes[pathname][request.method];
    handle.apply(this, arguments);
  } else {
  };
};

['GET','PUT','POST','DELETE'].forEach(function(method) {
  http.Server.prototype[method.toLowerCase()] = function(path, callback) {
    addRoute(path, method, callback);
  }
});

server.on('request', function theHandler(request, response) {
  route(request, response);
});

/**
 * Demo
 */

server.get('/', function(request, response) {
  response.send({ message : 'routed, son'});
});

server.get('/routes', function(request, response) {
  response.send(routes);
});

server.listen(8000);

/* EOF */