mapWeekDayAndRowToDate function
Returns date for dayOfWeek
and for row
in which it take place
Implementation
Jiffy mapWeekDayAndRowToDate(Jiffy beginRange, int dayOfWeek, int row) {
final begin = Jiffy.parseFromJiffy(beginRange)
..add(days: dayOfWeek - 1, weeks: row);
return begin;
}