backbone.middleware.js

backbone.middleware.js

/**
 * @module backbone.middleware
 * author eray <relfishere@gmail.com>
 */

(function (factory) {
  if (typeof define === 'function' && define.amd) {
    define(['backbone', 'underscore'], factory);
  } else if (typeof exports === 'object') {
    module.exports = factory(require('backbone'), require('underscore'));
  } else {
    factory(window.Backbone, window._);
  }
})(function (Backbone, _) {
  var noFunction = '';

  var baseRoute = Backbone.Router.prototype.route;

  _.extend(Backbone.Router.prototype, {
    route: function(route, name, callback) {
      var middleware = noFunction;

      if (_.isFunction(name)) {
        callback = name;
        name = '';
      }

      if (_.isObject(name)) {
        middleware = name.m;
        name = name.f;
      }

      if (!callback) {
        callback = this[name];
      }

      return baseRoute.call(this, route, name, _.bind(function() {
        for (var functionName in this.use) {
          this.use[functionName]();
        }

        if (_.isFunction(middleware)) {
          var args = arguments;

          middleware.apply(this, [
            route,
            _.toArray(arguments),
            _.bind(function () {
              if(callback) {
                callback.apply(this, args);
              }
            }, this)
          ]);
        } else {
          if(callback) {
            callback.apply(this, arguments);
          }
        }
      }, this));
    }
  });
});