110 lines
2.5 KiB
JavaScript
110 lines
2.5 KiB
JavaScript
(() => {
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const skippedMonths = [
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{ m: 8, y: 2022 },
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{ m: 12, y: 2022 },
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];
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const i18n = {
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en: {
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comingDates: 'The following dates are scheduled:',
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friday: 'friday',
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sunday: 'sunday',
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until: 'until',
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months: [
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'Jan.',
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'Feb.',
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'Mar.',
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'Apr.',
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'May',
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'Jun.',
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'Jul.',
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'Aug.',
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'Sep.',
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'Oct.',
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'Nov.',
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'Dec.',
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],
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},
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de: {
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comingDates: 'Folgende Termine stehen an:',
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friday: 'Freitag',
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sunday: 'Sonntag',
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until: 'bis',
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months: [
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'Jan.',
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'Feb.',
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'Mär.',
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'Apr.',
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'Mai',
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'Jun.',
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'Jul.',
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'Aug.',
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'Sep.',
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'Okt.',
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'Nov.',
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'Dez.',
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],
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},
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};
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const datesLists = {
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en: document.getElementById('dates-list-en'),
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de: document.getElementById('dates-list-de'),
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};
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const day = 24 * 60 * 60 * 1000;
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const week = 7 * day;
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const endOfWeekend = 2 * day;
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const start = new Date();
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const hakkens = [];
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// We'll be looking about half a year into the future
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for (let i = 0; i < 185; i++) {
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const dateToTry = new Date(start.valueOf() + (i * day));
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if (dateToTry.getDay() !== 5) {
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continue;
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}
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const oneWeekLater = new Date(dateToTry.valueOf() + week);
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if (dateToTry.getMonth() === oneWeekLater.getMonth()) {
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continue;
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}
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const m = dateToTry.getMonth() + 1;
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const y = dateToTry.getFullYear();
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if (skippedMonths.find((s) => s.m === m && s.y === y)) {
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continue;
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}
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hakkens.push(dateToTry);
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}
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// Helper function to add leading zeros to dates
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const d = (num) => ('0' + num).slice(-2);
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const writeText = (lang) => {
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const p = document.createElement('p');
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p.innerHTML = i18n[lang].comingDates;
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datesLists[lang].appendChild(p);
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}
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const writeDateList = (lang) => {
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const ul = document.createElement('ul');
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hakkens.forEach(hakken => {
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hakkend = new Date(hakken.valueOf() + endOfWeekend);
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const showFirstMonth = hakken.getMonth() !== hakkend.getMonth();
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const li = document.createElement('li');
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li.innerHTML = `
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${i18n[lang].friday} ${d(hakken.getDate())}. ${showFirstMonth ? i18n[lang].months[hakken.getMonth()] : ''}
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${i18n[lang].until}
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${d(hakkend.getDate())}. ${i18n[lang].months[hakkend.getMonth()]}
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`;
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ul.appendChild(li);
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});
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datesLists[lang].appendChild(ul);
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}
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writeText('de');
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writeText('en');
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writeDateList('de');
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writeDateList('en');
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})();
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