https://www.gwrymca.org/modules/contrib/lb_branch_hours_blocks/assets/js/hours_today.js?v=1.2

1/**
2 * Behaviors for the 'Today's hours' and 'More hours' functionality.
3 */
4(function ($, Drupal){
5    Drupal.behaviors.today_hours = {
6        /**
7         * Used to track the setInveral.
8         */
9        refreshTimer: false,
10
11        /**
12         * @returns {string}
13         */
14        getDayOfWeek: function (tz) {
15            // ISO day of week. returns a string of day of week, e.g. Mon, Tue, etc.
16            return moment().tz(tz).format('ddd');
17        },
18
19        /**
20         * @returns {string}
21         */
22        getDate: function (tz) {
23            return moment().tz(tz).format('YYYY-MM-DD');
24        },
25
26        /**
27         * Primary method for updating the today hours.
28         */
29        updateTodayHours: function () {
30            if (typeof drupalSettings.lb_branch_hours_blocks === 'undefined') {
31                drupalSettings.lb_branch_hours_blocks = {};
32            }
33
34            var $todayHours = $('.hours .today');
35            var hoursData = drupalSettings.lb_branch_hours_blocks.branch_hours || {};
36            var tz = drupalSettings.lb_branch_hours_blocks.tz || 'America/New York';
37            tz = tz.replace(/ /g,"_");
38
39            if (Object.keys(hoursData).length) {
40                var todayString = Drupal.behaviors.today_hours.getDate(tz);
41                var dayOfWeek = Drupal.behaviors.today_hours.getDayOfWeek(tz);
42                var exceptions = drupalSettings.lb_branch_hours_blocks.exceptions; // Holidays and other day exceptions will come later.
43
44                if (typeof exceptions[todayString] != 'undefined') {
45                    $todayHours.html(exceptions[todayString]);
46                }
47                else {
48                    $todayHours.html(hoursData[dayOfWeek]);
49                }
50            }
51        },
52
53        /**
54         * Drupal behavior attach.
55         *
56         * @param context
57         * @param settings
58         */
59        attach: function (context, settings) {
60
61            var $todayHours = $('.hours .today');
62            var onceClass = 'refresh-interval-set';
63
64            // Bail out if there's already refresh action set.
65            if (!$todayHours.hasClass(onceClass)) {
66
67                // This will ensure that if people leave the tab open or the page comes back
68                // into memory on a phone the hour will always be correct.
69                this.refreshTimer = setInterval(this.updateTodayHours, 60 * 1000);
70
71                // Run for the first time.
72                this.updateTodayHours();
73                $todayHours.addClass(onceClass);
74            }
75        }
76
77    };
78    Drupal.behaviors.more_hours = {
79        attach: function (context, settings) {
80            $('.more-hours', context).click(function (e){
81                e.preventDefault();
82                $('.branch-hours-dropdown').show();
83            })
84            $('.branch-hours-dropdown .close', context).click(function (e){
85                e.preventDefault();
86                $('.branch-hours-dropdown').hide();
87            })
88        }
89    }
90})(jQuery, Drupal);