80 lines
2.7 KiB
JavaScript
80 lines
2.7 KiB
JavaScript
export function isToday(d) {
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const now = new Date();
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return d.getFullYear() === now.getFullYear() &&
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d.getMonth() === now.getMonth() &&
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d.getDate() === now.getDate();
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}
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export function isSameDay(a, b) {
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return a.getFullYear() === b.getFullYear() &&
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a.getMonth() === b.getMonth() &&
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a.getDate() === b.getDate();
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}
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export function isPast(ev) {
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const end = new Date(ev.end);
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return end < new Date();
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}
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export function formatDate(d, opts = {}) {
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return d.toLocaleDateString('de', opts);
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}
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export function dateKey(d) {
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return `${d.getFullYear()}-${String(d.getMonth()+1).padStart(2,'0')}-${String(d.getDate()).padStart(2,'0')}`;
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}
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export function toLocalDatetimeInput(d) {
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const Y = d.getFullYear();
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const M = String(d.getMonth()+1).padStart(2,'0');
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const D = String(d.getDate()).padStart(2,'0');
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const h = String(d.getHours()).padStart(2,'0');
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const m = String(d.getMinutes()).padStart(2,'0');
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return `${Y}-${M}-${D}T${h}:${m}`;
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}
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export function toDateInput(d) {
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return `${d.getFullYear()}-${String(d.getMonth()+1).padStart(2,'0')}-${String(d.getDate()).padStart(2,'0')}`;
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}
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// Monday-first: returns 0=Mo, 1=Di, ..., 6=So
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export function dayOfWeek(d, weekStartDay = 'monday') {
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if (weekStartDay === 'sunday') {
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return d.getDay(); // 0=So, 1=Mo, ..., 6=Sa
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}
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return (d.getDay() + 6) % 7; // 0=Mo, 1=Di, ..., 6=So
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}
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// Returns the start-of-week date for d
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export function weekStart(d, weekStartDay = 'monday') {
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const m = new Date(d);
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m.setDate(m.getDate() - dayOfWeek(m, weekStartDay));
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m.setHours(0, 0, 0, 0);
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return m;
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}
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// Returns the ISO week number (Monday-based, ISO 8601)
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export function getISOWeekNumber(d) {
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const date = new Date(Date.UTC(d.getFullYear(), d.getMonth(), d.getDate()));
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// ISO week: weeks start on Monday, week 1 contains the first Thursday
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const day = date.getUTCDay() || 7; // make Sunday = 7
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date.setUTCDate(date.getUTCDate() + 4 - day);
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const yearStart = new Date(Date.UTC(date.getUTCFullYear(), 0, 1));
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return Math.ceil((((date - yearStart) / 86400000) + 1) / 7);
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}
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export function applyTheme(settings) {
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const root = document.documentElement;
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root.style.setProperty('--primary', settings.primary_color || '#4285f4');
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root.style.setProperty('--primary-dim', hexToRgba(settings.primary_color || '#4285f4', 0.15));
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root.style.setProperty('--accent', settings.accent_color || '#ea4335');
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root.style.setProperty('--today-color', settings.today_color || '#4285f4');
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}
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function hexToRgba(hex, alpha) {
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const r = parseInt(hex.slice(1,3), 16);
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const g = parseInt(hex.slice(3,5), 16);
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const b = parseInt(hex.slice(5,7), 16);
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return `rgba(${r},${g},${b},${alpha})`;
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}
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