/// Utility functions for working with dates.
class DateUtils {
  /// Returns a [DateTime] that is [monthDate] with the added number
  /// of months and the day set to 1 and time set to midnight.
  ///
  /// For example:
  ///
  /// ```dart
  /// DateTime date = DateTime(2019, 1, 15);
  /// DateTime futureDate = DateUtils.addMonthsToMonthDate(date, 3);
  /// ```
  ///
  /// `date` would be January 15, 2019.
  /// `futureDate` would be April 1, 2019 since it adds 3 months.
  static DateTime addMonthsToMonthDate(
    final DateTime monthDate,
    final int monthsToAdd,
  ) => DateTime(monthDate.year, monthDate.month + monthsToAdd);
}