export function getWorkDays()

in src/common/IterationLookup.ts [197:217]

• 21 lines of code
• 3 McCabe index (conditional complexity)

export function getWorkDays(
  startDate: Date | string,
  endDate: Date | string
): number {
  const [start, end] = [startDate, endDate].map(raw => {
    if (raw instanceof Date) return DateTime.fromJSDate(raw);
    return DateTime.fromISO(raw);
  });
  const startWeekDay = start.weekday;
  const endWeekDay = end.weekday;
  const DAYS_PER_WEEK = 5;
  const weeksBetween =
    end.startOf("week").diff(start.startOf("week"), "weeks").toObject().weeks ||
    0;
  let days = weeksBetween * DAYS_PER_WEEK;
  const extraDays = Math.min(startWeekDay, 6) - 1;
  const missingDays = Math.min(endWeekDay, 5);
  // Remove/add extra days
  days = days - extraDays + missingDays;
  return days;
}