app_routes.js

var APP_ROUTES = (function () {
    function appRoutesCreate(notFoundHandler) {
        var r = Rlite();

        function transitionTo(path) {
            document.location.hash = path;
        }
        function transitionToReplace(path) {
            document.location.replace("#" + path);
        }

        return {
            transitionTo: transitionTo,
            transitionToReplace: transitionToReplace,

            on: function (path, handler) {
                r.add(path.slice(1), function (r) { handler(r.params); });
            },

            run: function () {
                function processHash() {
                    var hash = location.hash || '#';
                    var found = r.run(hash.slice(1));

                    if (!found) {
                        notFoundHandler();
                    }
                }

                window.addEventListener('hashchange', processHash);
                processHash();
            }

        }
    }

    return {
        create: appRoutesCreate
    }
}());