Connect

Vhost:

Setup vhost for the given hostname and server.

connect()
  .use(connect.vhost('foo.com', fooApp))
  .use(connect.vhost('bar.com', barApp))
  .use(connect.vhost('*.com', mainApp))

The server may be a Connect server or
a regular Node http.Server.

String hostname
Server server
returns Function

Source

module.exports = function vhost(hostname, server){
  if (!hostname) throw new Error('vhost hostname required');
  if (!server) throw new Error('vhost server required');
  var regexp = new RegExp('^' + hostname.replace(/[^*\w]/g, '\\$&').replace(/[*]/g, '(?:.*?)')  + '$', 'i');
  if (server.onvhost) server.onvhost(hostname);
  return function vhost(req, res, next){
    if (!req.headers.host) return next();
    var host = req.headers.host.split(':')[0];
    if (!regexp.test(host)) return next();
    if ('function' == typeof server) return server(req, res, next);
    server.emit('request', req, res);
  };
};