30 lines
814 B
TypeScript
30 lines
814 B
TypeScript
export function todayIso(): string {
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return new Date().toISOString().slice(0, 10);
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}
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export function addDaysIso(iso: string, days: number): string {
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const d = new Date(`${iso}T12:00:00`);
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d.setDate(d.getDate() + days);
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return d.toISOString().slice(0, 10);
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}
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export function startOfWeekIso(iso: string): string {
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const d = new Date(`${iso}T12:00:00`);
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const day = d.getDay();
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const diff = day === 0 ? -6 : 1 - day;
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d.setDate(d.getDate() + diff);
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return d.toISOString().slice(0, 10);
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}
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export function endOfWeekIso(iso: string): string {
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return addDaysIso(startOfWeekIso(iso), 6);
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}
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export function formatDisplayDate(iso: string, locale: string): string {
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return new Date(`${iso}T12:00:00`).toLocaleDateString(locale, {
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weekday: "short",
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month: "short",
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day: "numeric",
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});
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}
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