Navigation sample code

navigation.js

define(['jquery', 'Q', 'evaluator'], function ($, Q, Evaluator) {

    var Navigation = {};

    var search = function (tree, propertyName) {
        if ($.isArray(tree)) {
            for (var i = 0; i < tree.length; ++i) {
                return search(tree[i], propertyName);
            }
        } else if ($.isPlainObject(tree)) {
            for (var pName in tree) {
                if (tree.hasOwnProperty(pName)) {
                    var subTree = tree[pName];
                    if (pName == propertyName) {
                        result.push(subTree); // what to do here?
                    } else {
                        return search(subTree, propertyName);
                    }
                }
            }
        }
    };

    Navigation.discover = function (options) { // wizletInfo
        var propertyName = options.propertyName || 'navigation';
        var navigationItems = [];
        search(options.wizletInfo, propertyName, navigationItems);
        return navigationItems;
    };

    return Navigation;
});

navigation.test.js

require(['Q', 'navigation'], function (Q, Navigation) {
    module('Navigation');

    test('discover', function () {
        // setup
        var wizletInfo = {
            navigation: { title: 'top-level' },
            content: {
                navigation: { title: 'nested' },
                rows: [
                    {
                        navigation: { title: 'in array' }
                    }
                ]
            }
        };

        // invoke
        var navigationItems = Navigation.discover({
            wizletInfo: wizletInfo,
        });

        // verify
        deepEqual(navigationItems, [{ title: 'top-level' }, { title: 'nested' }, { title: 'in array' }], 'navigationItems');
    });

});