Function getWeekStartAndEndDates

Source

function getWeekStartAndEndDates(date: Date): {
  startDate: Date;
  endDate: Date;
} {
  const d = new Date(date.getTime());
  d.setHours(0, 0, 0, 0);

  // Find Sunday of this week (first day)
  const dayOfWeek = d.getDay();
  const startDate = new Date(d.getTime());
  startDate.setDate(d.getDate() - dayOfWeek);

  // Find Saturday of this week (last day)
  const endDate = new Date(startDate.getTime());
  endDate.setDate(startDate.getDate() + 6);

  return { startDate, endDate };
}
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