functions property

Map<String, Function> functions

The functions related to Date / Time processing.

Implementation

static final functions = {
  'DateFormat': (format) => DateFormat(format ?? 'yyyy-MM-dd'),
  'DateTime': (value, [month, date, hour, minute, second, millisecond]) =>
      (month != null ||
              date != null ||
              hour != null ||
              minute != null ||
              second != null ||
              millisecond != null)
          ? DateTime(
              JsonClass.maybeParseInt(value) ?? 0,
              JsonClass.maybeParseInt(month) ?? 1,
              JsonClass.maybeParseInt(date) ?? 1,
              JsonClass.maybeParseInt(hour) ?? 0,
              JsonClass.maybeParseInt(minute) ?? 0,
              JsonClass.maybeParseInt(second) ?? 0,
              JsonClass.maybeParseInt(millisecond) ?? 0,
            )
          : value is Map
              ? DateTime(
                  JsonClass.maybeParseInt(value['year']) ?? 0,
                  JsonClass.maybeParseInt(value['month']) ?? 1,
                  JsonClass.maybeParseInt(value['date'] ?? value['day']) ?? 1,
                  JsonClass.maybeParseInt(value['hour']) ?? 0,
                  JsonClass.maybeParseInt(value['minute']) ?? 0,
                  JsonClass.maybeParseInt(value['second']) ?? 0,
                  JsonClass.maybeParseInt(value['milliseconds']) ?? 0,
                )
              : value is List
                  ? DateTime(
                      JsonClass.maybeParseInt(
                              value.isNotEmpty ? value[0] : null) ??
                          0,
                      JsonClass.maybeParseInt(
                              value.length > 1 ? value[1] : null) ??
                          1,
                      JsonClass.maybeParseInt(
                              value.length > 2 ? value[2] : null) ??
                          1,
                      JsonClass.maybeParseInt(
                              value.length > 3 ? value[3] : null) ??
                          0,
                      JsonClass.maybeParseInt(
                              value.length > 4 ? value[4] : null) ??
                          0,
                      JsonClass.maybeParseInt(
                              value.length > 5 ? value[5] : null) ??
                          0,
                      JsonClass.maybeParseInt(
                              value.length > 6 ? value[6] : null) ??
                          0,
                    )
                  : (value is num || value is String)
                      ? DateTime.fromMillisecondsSinceEpoch(
                          JsonClass.maybeParseInt(value) ?? 0)
                      : value == null
                          ? DateTime.now()
                          : throw Exception(
                              '[DateTime]: expected [value] to be a Map, a List, a num, a String, or null but encountered: ${value?.runtimeType}',
                            ),
  'now': DateTime.now,
};