connect-router.js

const pathToRegexp = require('path-to-regexp');

function route(def, callback){
  var keys = [];
  var re = pathToRegexp(def, keys);
  return function(req, res, next){
    if(re.test(req.url)){
      req.params = {};
      var matchs = re.exec(req.url);
      keys.forEach(function(key, i){
        req.params[ key.name ] = matchs[ i + 1 ];
      });
      callback.apply(this, arguments);
    }
  }
}