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/* ==================================================== |
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Announcement Strip — frontend.js |
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Handles: dismissal (localStorage) + countdown timer |
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==================================================== */ |
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(function () { |
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'use strict'; |
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|
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document.querySelectorAll('.bkbg-anst-wrap[data-close-id]').forEach(function (bar) { |
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var closeId = bar.dataset.closeId; |
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var closeDays = parseInt(bar.dataset.closeDays || '7', 10); |
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var storageKey = 'bkbg-anst-dismissed-' + closeId; |
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|
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/* Check if already dismissed and still within expiry */ |
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try { |
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var expiry = localStorage.getItem(storageKey); |
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if (expiry && Date.now() < parseInt(expiry, 10)) { |
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bar.style.display = 'none'; |
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return; /* skip this bar entirely */ |
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} |
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} catch(e) { /* localStorage might be blocked */ } |
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|
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/* Wire close button */ |
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var closeBtn = bar.querySelector('.bkbg-anst-close'); |
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if (closeBtn) { |
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closeBtn.addEventListener('click', function () { |
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bar.style.display = 'none'; |
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try { |
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var expireAt = closeDays > 0 |
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? Date.now() + closeDays * 86400000 |
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: Date.now() + 9999 * 86400000; /* "forever" */ |
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localStorage.setItem(storageKey, String(expireAt)); |
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} catch(e) { /* ignore */ } |
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}); |
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} |
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|
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/* Countdown timer */ |
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var cdWrap = bar.querySelector('.bkbg-anst-countdown'); |
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if (cdWrap) { |
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var endDateStr = cdWrap.dataset.countdown; |
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if (!endDateStr) return; |
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var endDate = new Date(endDateStr).getTime(); |
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var timerEl = cdWrap.querySelector('.bkbg-anst-cd-timer'); |
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if (!timerEl || isNaN(endDate)) return; |
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|
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function formatCountdown() { |
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var diff = endDate - Date.now(); |
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if (diff <= 0) { |
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timerEl.textContent = 'Expired'; |
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return; |
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} |
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var d = Math.floor(diff / 86400000); |
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var h = Math.floor(diff % 86400000 / 3600000); |
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var m = Math.floor(diff % 3600000 / 60000); |
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var s = Math.floor(diff % 60000 / 1000); |
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var hStr = String(h).padStart(2, '0'); |
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var mStr = String(m).padStart(2, '0'); |
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var sStr = String(s).padStart(2, '0'); |
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timerEl.textContent = (d ? d + 'd ' : '') + hStr + ':' + mStr + ':' + sStr; |
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} |
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|
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formatCountdown(); /* immediate render */ |
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setInterval(formatCountdown, 1000); |
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} |
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}); |
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})(); |
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