text: // http://127.0.0.1:9001
  // http://localhost:9001
  
  var server = require('http'),
      url = require('url'),
      path = require('path'),
      fs = require('fs');
  
  function serverHandler(request, response) {
      var uri = url.parse(request.url).pathname,
          filename = path.join(process.cwd(), uri);
  
      fs.exists(filename, function(exists) {
          if (!exists) {
              response.writeHead(404, {
                  'Content-Type': 'text/plain'
              });
              response.write('404 Not Found: ' + filename + '\n');
              response.end();
              return;
          }
  
          if (filename.indexOf('favicon.ico') !== -1) {
              return;
          }
  
          var isWin = !!process.platform.match(/^win/);
  
          if (fs.statSync(filename).isDirectory() && !isWin) {
              filename += '/index.html';
          } else if (fs.statSync(filename).isDirectory() && !!isWin) {
              filename += '\\index.html';
          }
  
          fs.readFile(filename, 'binary', function(err, file) {
              if (err) {
                  response.writeHead(500, {
                      'Content-Type': 'text/plain'
                  });
                  response.write(err + '\n');
                  response.end();
                  return;
              }
  
              var contentType;
  
              if (filename.indexOf('.html') !== -1) {
                  contentType = 'text/html';
              }
  
              if (filename.indexOf('.js') !== -1) {
                  contentType = 'application/javascript';
              }
  
              if (contentType) {
                  response.writeHead(200, {
                      'Content-Type': contentType
                  });
              } else response.writeHead(200);
  
              response.write(file, 'binary');
              response.end();
          });
      });
  }
  
  var app;
  
  app = server.createServer(serverHandler);
  
  app = app.listen(process.env.PORT || 9001, process.env.IP || "127.0.0.1", function() {
      var addr = app.address();
      console.log("Server listening at", addr.address + ":" + addr.port);
  });
  