isYesterday method

bool isYesterday([
  1. DateTime? locDateTime
])

Implementation

bool isYesterday([DateTime? locDateTime]) {
  locDateTime ??= DateTime.now();
  if (equalsYear(locDateTime)) {
    final int spDay = locDateTime.dayOfYear - dayOfYear;
    return spDay == 1;
  } else {
    return (locDateTime.year - year == 1) &&
        month == 12 &&
        locDateTime.month == 1 &&
        day == 31 &&
        locDateTime.day == 1;
  }
}