163caa398c
All checks were successful
Deploy with Docker Compose / deploy (push) Successful in 3m16s
22 lines
766 B
TypeScript
22 lines
766 B
TypeScript
/**
|
|
* Get ISO week number for a given date
|
|
* ISO 8601 week numbering: week starts on Monday, first week contains Jan 4
|
|
*/
|
|
export function getISOWeek(date: Date): number {
|
|
const d = new Date(Date.UTC(date.getFullYear(), date.getMonth(), date.getDate()));
|
|
const dayNum = d.getUTCDay() || 7;
|
|
d.setUTCDate(d.getUTCDate() + 4 - dayNum);
|
|
const yearStart = new Date(Date.UTC(d.getUTCFullYear(), 0, 1));
|
|
return Math.ceil(((d.getTime() - yearStart.getTime()) / 86400000 + 1) / 7);
|
|
}
|
|
|
|
/**
|
|
* Get week number and year for a given date
|
|
* Returns format: "S06-2026"
|
|
*/
|
|
export function getWeekYearLabel(date: Date = new Date()): string {
|
|
const week = getISOWeek(date);
|
|
const year = date.getFullYear();
|
|
return `S${week.toString().padStart(2, '0')}-${year}`;
|
|
}
|