https://iomelections.com/2026/js/election-schedule.js?v=3.14.10

1(function(global) {
2    'use strict';
3
4    var DEFAULT = {
5        date: '2026-09-24',
6        pollsOpen: '08:00',
7        pollsClose: '20:00',
8        electionNightLive: '19:00',
9        electionNightWatchAgain: '02:00',
10        timezone: 'Europe/London'
11    };
12
13    var cached = null;
14
15    function parseHm(time) {
16        var parts = String(time || '').trim().split(':');
17        return {
18            hour: parseInt(parts[0], 10) || 0,
19            minute: parseInt(parts[1], 10) || 0
20        };
21    }
22
23    function parseDateParts(dateStr) {
24        var parts = String(dateStr || '').split('-');
25        return {
26            year: parseInt(parts[0], 10),
27            month: parseInt(parts[1], 10),
28            day: parseInt(parts[2], 10)
29        };
30    }
31
32    function readFromDocument() {
33        var el = global.document && global.document.documentElement;
34        if (!el) return null;
35
36        var date = el.getAttribute('data-election-date');
37        if (!date) return null;
38
39        return {
40            date: date,
41            pollsOpen: el.getAttribute('data-polls-open') || DEFAULT.pollsOpen,
42            pollsClose: el.getAttribute('data-polls-close') || DEFAULT.pollsClose,
43            electionNightLive: el.getAttribute('data-election-night-live') || DEFAULT.electionNightLive,
44            electionNightWatchAgain: el.getAttribute('data-election-night-watch-again') || DEFAULT.electionNightWatchAgain,
45            timezone: el.getAttribute('data-election-timezone') || DEFAULT.timezone
46        };
47    }
48
49    function getConfig() {
50        if (!cached) {
51            cached = readFromDocument() || DEFAULT;
52        }
53        return cached;
54    }
55
56    function zonedLocalToUtcMs(year, month, day, hour, minute, timeZone) {
57        var utc = Date.UTC(year, month - 1, day, hour, minute, 0);
58        var dtf = new Intl.DateTimeFormat('en-US', {
59            timeZone: timeZone,
60            year: 'numeric',
61            month: '2-digit',
62            day: '2-digit',
63            hour: '2-digit',
64            minute: '2-digit',
65            second: '2-digit',
66            hourCycle: 'h23'
67        });
68
69        function asUtcParts(ms) {
70            var map = {};
71            dtf.formatToParts(new Date(ms)).forEach(function(part) {
72                if (part.type !== 'literal') map[part.type] = parseInt(part.value, 10);
73            });
74            return Date.UTC(map.year, map.month - 1, map.day, map.hour, map.minute, map.second || 0);
75        }
76
77        return utc - (asUtcParts(utc) - utc);
78    }
79
80    function atScheduleTime(timeKey) {
81        var cfg = getConfig();
82        var dateParts = parseDateParts(cfg.date);
83        var timeParts = parseHm(cfg[timeKey]);
84        return zonedLocalToUtcMs(
85            dateParts.year,
86            dateParts.month,
87            dateParts.day,
88            timeParts.hour,
89            timeParts.minute,
90            cfg.timezone
91        );
92    }
93
94    function getPollsOpenMs() {
95        return atScheduleTime('pollsOpen');
96    }
97
98    function getPollsCloseMs() {
99        return atScheduleTime('pollsClose');
100    }
101
102    function nextCalendarDay(dateParts) {
103        var utc = Date.UTC(dateParts.year, dateParts.month - 1, dateParts.day + 1);
104        var next = new Date(utc);
105        return {
106            year: next.getUTCFullYear(),
107            month: next.getUTCMonth() + 1,
108            day: next.getUTCDate()
109        };
110    }
111
112    function getElectionNightLiveMs() {
113        return atScheduleTime('electionNightLive');
114    }
115
116    function getElectionNightWatchAgainMs() {
117        var cfg = getConfig();
118        var dateParts = nextCalendarDay(parseDateParts(cfg.date));
119        var timeParts = parseHm(cfg.electionNightWatchAgain || DEFAULT.electionNightWatchAgain);
120        return zonedLocalToUtcMs(
121            dateParts.year,
122            dateParts.month,
123            dateParts.day,
124            timeParts.hour,
125            timeParts.minute,
126            cfg.timezone
127        );
128    }
129
130    function isElectionDayPromoWindow(now) {
131        return (now || Date.now()) >= getPollsOpenMs();
132    }
133
134    function isPollsOpen(now) {
135        now = now || Date.now();
136        return now >= getPollsOpenMs() && now < getPollsCloseMs();
137    }
138
139    function isElectionNightLiveWindow(now) {
140        now = now || Date.now();
141        return now >= getElectionNightLiveMs() && now < getElectionNightWatchAgainMs();
142    }
143
144    function isElectionNightWatchAgainWindow(now) {
145        return (now || Date.now()) >= getElectionNightWatchAgainMs();
146    }
147
148    function isResultsWindow(now) {
149        return (now || Date.now()) >= getPollsCloseMs();
150    }
151
152    function applySettings(settings) {

153        if (!settings || !settings.electionSchedule) return;
154        var s = settings.electionSchedule;
155        if (!s.date) return;
156        cached = {
157            date: s.date,
158            pollsOpen: s.pollsOpen || DEFAULT.pollsOpen,
159            pollsClose: s.pollsClose || DEFAULT.pollsClose,
160            electionNightLive: s.electionNightLive || DEFAULT.electionNightLive,
161            electionNightWatchAgain: s.electionNightWatchAgain || DEFAULT.electionNightWatchAgain,
162            timezone: s.timezone || DEFAULT.timezone
163        };
164    }
165
166    global.Vote2026Schedule = {
167        getConfig: getConfig,
168        applySettings: applySettings,
169        clearCache: function() { cached = null; },
170        zonedLocalToUtcMs: zonedLocalToUtcMs,
171        getPollsOpenMs: getPollsOpenMs,
172        getPollsCloseMs: getPollsCloseMs,
173        getElectionNightLiveMs: getElectionNightLiveMs,
174        getElectionNightWatchAgainMs: getElectionNightWatchAgainMs,
175        isElectionDayPromoWindow: isElectionDayPromoWindow,
176        isPollsOpen: isPollsOpen,
177        isElectionNightLiveWindow: isElectionNightLiveWindow,
178        isElectionNightWatchAgainWindow: isElectionNightWatchAgainWindow,
179        isResultsWindow: isResultsWindow
180    };
181})(window);