https://www.zoloft.com/-/media/Base-Themes/SearchTheme/Scripts/component-search-router.js

1/**
2 * Search router based on backbone router
3 * @module searchRouter
4 * @param  {jQuery} $ Instance of jQuery
5 * @param  {Document} document dom document object
6 * @return {Object} list of methods for working with backbone routing
7*/
8XA.component.search.router = (function ($, document) {
9
10    "use strict";
11    /**
12    * This object stores all public api methods
13    * @type {Object.<Methods>}
14    * @memberOf module:searchRouter
15    */
16    var api = {},
17        queryModel,
18        initialized = false,
19        lastHashObj,
20        Router;
21    /**
22     * @name module:searchRouter.Router
23     * @constructor
24     * @augments Backbone.Model
25     */
26    Router = Backbone.Router.extend(
27        /** @lends module:searchRouter.Router.prototype **/
28        {
29            routes: {
30                "*params": "checkUrl"
31            },
32            /**
33             * check url for changes in hash
34             * @fires XA.component.search.vent#hashChanged
35             * @param {Object} params parameter from url
36             */
37            checkUrl: function (params) {
38                var hashObj = queryModel.parseHashParameters(window.location.hash);
39
40                XA.component.search.service.getData();
41
42                if (!hashObj) {
43                    XA.component.search.facet.data.getInitialFacetData();
44                    XA.component.search.vent.trigger("hashChanged", hashObj);
45                } else {
46                    if (JSON.stringify(hashObj) !== JSON.stringify(lastHashObj) ) {
47                        XA.component.search.facet.data.filterFacetData(hashObj);
48                        lastHashObj = hashObj;
49                        XA.component.search.vent.trigger("hashChanged", hashObj);
50                    }
51                }                
52            }
53        });
54    /**
55    * Creates instance of Backbone Router and start
56    * backbone history
57    * @memberOf module:searchRouter
58    * @alias module:searchRouter.init
59    */
60    api.init = function () {
61        if ($("body").hasClass("on-page-editor") || initialized) {
62            return;
63        }
64
65        queryModel = XA.component.search.query;
66
67        var router = new Router();
68
69        if (!Backbone.History.started) {
70            Backbone.history.start();
71        }
72
73        initialized = true;
74    };
75
76    return api;
77
78}(jQuery, document));
79
80XA.register('searchRouter', XA.component.search.router);