iso8601_offset

Description:

iso8601 offset

iso8601_offset #
Features #
Provide a string containing offset information that is not processed by DateTime.toIso8601String().
Usage #
import 'package:iso8601_offset/iso8601_offset.dart';

// When running on a terminal at JST(+09:00).
// 2021-11-25 03:00:00 UTC time, 2021-11-25 12:00:00 terminal time
final now = DateTime.now();

final defaultIsoString = dateTime.toIso8601String();
print(defaultIsoString); // 2021-11-25T12:00:00.0000

final utcIso8601String = dateTime.toIso8601UtcString();
print(defaultIsoString); // 2021-11-25T03:00:00.0000Z

final offsetIso8601String = dateTime.toIso8601OffsetString();
print(defaultIsoString); // 2021-11-25T12:00:00.0000+09:00
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If you want to encode/decode JSON considering offset, please use @DateTimeConverter and @DateTimeOrNullConverter.
import 'package:flutter/foundation.dart';
import 'package:freezed_annotation/freezed_annotation.dart';
import 'package:iso8601_offset/iso8601_offset.dart';

@freezed
class SampleJson with _$SampleJson {
const factory SampleJson({
@DateTimeConverter() required DateTime dateTime,
@DateTimeOrNullConverter() required DateTime? dateTimeNull,
}) = _SampleJson;

factory SampleJson.fromJson(Map<String, dynamic> json) =>
_$SampleJsonFromJson(json);
}
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