clown/lib/router.js

clown computing with pkgcloud

var zip = require('zippy').zip;

var log = require('./log');

var Router = function() {
  this._routes = [];
  this._handlers = [];
};

Router.prototype.on = function(route, handler) {
  if (typeof route === 'string') {
    route = route.split(' ');
  }
  log.silly('router', 'Registered route %j', route);
  router._routes.push(typeof route === 'string' ? route.split(' ') : route);
  router._handlers.push(handler);
  return router;
};

Router.prototype.route = function(route) {
  var router = this,
      handler = false;

  route = route.length ? route : [''];

  router._routes.some(function(potential, i) {
    log.silly('router', 'Checking potential route %j...', potential);
    var isAMatch = zip(potential, route).every(function(t) {
      return t[0] == t[1];
    });

    if (isAMatch) {
      log.silly('router', 'Potential route %j is a match!', potential);
      handler = router._handlers[i];
    }
    else {
      log.silly('router', 'Potential route %j is not a match', potential);
    }
    return isAMatch;
  });
  return handler;
};

var router = module.exports = new Router();
router.Router = Router;