Author: Tom Sydney Kerckhove <syd@cs-syd.eu>
Committer: Tom Sydney Kerckhove <NorfairKing@users.noreply.github.com>
ical-recurrence: ignore a ByWeekNo that the year does not have @ Note: Assuming a Monday week start, week 53 can only occur when Thursday is January 1 or if it is a leap year and Wednesday is January 1. @ fromWeekDateWithStart never fails: it adds 7 * (w - 1) days to the first day of the first week of the year, so a week number the year does not have simply lands in the following year. Nothing downstream checked that the day was still in the year being expanded. Guard on the number of weeks in the year instead. Filtering in byWeekNoExpand would have been wrong, because an empty result there falls through to the branch that expands by month and day and would produce an instance rather than none.