server.js

(function()
{
  var sys = require('sys'),
    http = require('http'),
    fs = require('fs'),
    Script = process.binding('evals').Script;
    
  var extToMimeMap = 
  {
    '.txt': 'text/plain',
    '.js': 'text/javascript',
    '.css': 'text/css',
    '.html': 'text/html',
    '.htm': 'text/html'
  };
  
  var _urlExt = function(url)
  {
    var begin = 0, end = url.length, point, i;
    
    if((i = url.lastIndexOf('#', end)) > 0)
      end = i;
    
    if((i = url.lastIndexOf('?', end)) > 0)
      end = i;
    
    if((i = url.lastIndexOf('.', end)) < 0)
      return null;

    point = i;
    
    if((i = url.lastIndexOf('/', end)) > -1)
      begin = i;
    
    if(begin >= point)
      return null;
      
    return url.substring(point, end);
  };
  
  var _log = function()
  {
    sys.puts.apply(sys, arguments);
  };
  
  var _isDynamicUrl = function(url)
  {
    return url.indexOf('.app.js') > -1;
  };
  
  var _server = function (req, res)
  {
    var url = unescape(req.url);
    
    _log(url);
    
    url = ('.' + url).replace(/\/(?:\?|#|$)/, '/index.html');
    url = url.slice(0, url.lastIndexOf('?') >>> 0);
    
    if(_isDynamicUrl(url))
    {
      fs.readFile(
        url,
        function(err, data)
        {
          if(err)
          {
            res.writeHead(404);
            res.end();
          }
          
          //_log(data);
          //Script.runInThisContext('(' + data + ')();', url);
          Script.runInNewContext('(' + data + ')(req, res);', {req: req, res: res, sys: sys, setTimeout: setTimeout, setInterval: setInterval, require: require}, url);
        }
      );  
    }
    else
    {
      fs.readFile(
        url,
        function(err, data)
        {
          if(err)
          {
            res.writeHead(404);
            res.end();
          }
          
          res.writeHead(200, {'Content-Type': extToMimeMap[_urlExt(url)] || 'text/plain'});
          res.end(data);
        }
      );  
    }
  }


  http.createServer(_server).listen(80);
  
  sys.puts('Server running at http://127.0.0.1:80/');

})();