66 lines
3.0 KiB
JavaScript
66 lines
3.0 KiB
JavaScript
// You need to include rrule.js library to use this function
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// used v2.7.1 in January 2023, see https://github.com/jakubroztocil/rrule/releases/latest for updates
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//~ import * as RRule from 'https://jakubroztocil.github.io/rrule/dist/es5/rrule.js';
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import * as RRule from 'https://bitcoin-dresden.de/script/rrule.min.js';
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var now = new Date();
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function getCETorCESTDateOffset() {
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var utcOffset = now.getTimezoneOffset();
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var cetOffset = utcOffset + 60;
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var cestOffset = utcOffset + 120;
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var cetOffsetInMilliseconds = cetOffset * 60 * 1000;
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var cestOffsetInMilliseconds = cestOffset * 60 * 1000;
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var cestDateStart = new Date();
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var cestDateFinish = new Date();
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var localDateTime = now.getTime();
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var cestDateStartTime;
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var cestDateFinishTime;
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var result;
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cestDateStart.setTime(Date.parse('29 March ' + now.getFullYear() + ' 02:00:00 GMT+0100'));
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cestDateFinish.setTime(Date.parse('25 October ' + now.getFullYear() + ' 03:00:00 GMT+0200'));
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cestDateStartTime = cestDateStart.getTime();
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cestDateFinishTime = cestDateFinish.getTime();
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if(localDateTime >= cestDateStartTime && localDateTime <= cestDateFinishTime) {
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result = cestOffsetInMilliseconds;
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} else {
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result = cetOffsetInMilliseconds;
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}
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return result;
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}
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var localTimeOffset=getCETorCESTDateOffset();
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document.addEventListener("DOMContentLoaded", function(event) {
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// update datetime for each time node with rrule
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for(const tag of document.getElementsByTagName("time") ){
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if (tag.getAttribute('data-rrule') !== null) {
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var rule = rrule.RRule.fromString(tag.getAttribute('data-rrule').toUpperCase());
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var e = rule.after(now);
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tag.setAttribute('datetime', new Date(e - -localTimeOffset).toISOString());
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var f = new Intl.DateTimeFormat("de-DE", { //timeZoneName: "short", second: "numeric" | day: "2-digit"
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timeZone: "UTC", year: "numeric", month: "long", day: "numeric", weekday: "long"//, hour: "numeric", minute: "numeric"
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}).format(e).replace(' um ',' ab ');
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//~ console.log(f);
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tag.innerHTML = " am " + f //+ "Uhr"
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;
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var title = 'planmäßig '+rule.toText().replace('every day','jeden Tag').replace('every week','jede Woche').replace('every month','jeden Monat').replace('every year','jedes Jahr').replace('on the','am').replace('Monday','Montag').replace('Tuesday','Dienstag').replace('Wednesday','Mittwoch').replace('Thursday','Donnerstag').replace('Friday','Freitag').replace('Saturday','Samstag').replace('Sunday','Sonntag').replace('1st','ersten').replace('2nd','zweiten').replace('3rd','dritten').replace('4th','vierten').replace('5th','fünften') //+ " " //+ f.substr(f.lastIndexOf('ab '))
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;
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//~ console.log(title);
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tag.setAttribute('title', title);
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}
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}
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// sort dates
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if( document.getElementsByTagName('time')[0].getAttribute('datetime') > document.getElementsByTagName('time')[1].getAttribute('datetime') ) {
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document.getElementById('termin1').appendChild(document.getElementById('termin2').children[0]);
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document.getElementById('termin2').appendChild(document.getElementById('termin1').children[0]);
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}
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});
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