isYesterday method
Returns true if the given date is yesterday.
Example:
DateTime yesterday = DateTime.now().subtract(Duration(days: 1));
print(yesterday.isYesterday); // Output: true
Implementation
bool isYesterday() {
if (isNull) {
return false;
}
final yesterday = DateTime.now().subtract(const Duration(days: 1));
return isSameDay(yesterday);
}