https://spasstower.ru/local/js/controllers/partial/history-polling-winners.js

1(function ($, APP) {
2    'use strict';
3
4    APP.Controls.Partial.HistoryPollingWinners = can.Control.extend(
5        {
6            defaults: {
7                year: '.js-year',
8                winner: '.js-year-winner',
9            }
10        },
11        {
12            init: function () {
13                this.$year = this.element.find(this.options.year);
14                this.$winner = this.element.find(this.options.winner);
15                this.check();
16            },
17
18            '{year} click': function($el) {
19
20                if ($el.hasClass("active")) {
21                    return;
22                }
23
24                this.$year.removeClass("active");
25                $el.addClass("active");
26                this.check();
27            },
28
29            check: function ( ) {
30                var $active = this.$year.filter(".active");
31                var year = $active.data("year");
32
33                this.$winner.each(function (i, item) {
34                    var $item = $(item);
35
36                    if ($item.data('year') == year) {
37                        $item.addClass("active");
38                    } else {
39                        $item.removeClass("active");
40                    }
41                });
42            }
43        }
44    );
45
46})(jQuery, APP);