Why value is not a YYYY-MM-DD calendar date, or undefined when it is one
(padding aside — normalizeIsoDate trims it). Compared as a string, a padded or
unpadded date silently moved a date window: " 2024-03-01" sorts before every
real date, "2024" after none of them.
Why
valueis not aYYYY-MM-DDcalendar date, orundefinedwhen it is one (padding aside —normalizeIsoDatetrims it). Compared as a string, a padded or unpadded date silently moved a date window:" 2024-03-01"sorts before every real date,"2024"after none of them.