mirror of
https://gitlab.com/veilid/veilidchat.git
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29 lines
1.1 KiB
Dart
29 lines
1.1 KiB
Dart
import 'dart:convert';
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import 'dart:typed_data';
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T jsonDecodeBytes<T>(T Function(dynamic) fromJson, Uint8List data) =>
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fromJson(jsonDecode(utf8.decode(data)));
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T? jsonDecodeOptBytes<T>(T Function(dynamic) fromJson, Uint8List? data) =>
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(data == null) ? null : fromJson(jsonDecode(utf8.decode(data)));
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Uint8List jsonEncodeBytes(Object? object,
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{Object? Function(Object?)? toEncodable}) =>
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Uint8List.fromList(
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utf8.encode(jsonEncode(object, toEncodable: toEncodable)));
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Future<Uint8List> jsonUpdateBytes<T>(T Function(dynamic) fromJson,
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Uint8List oldBytes, Future<T> Function(T) update) async {
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final oldObj = fromJson(jsonDecode(utf8.decode(oldBytes)));
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final newObj = await update(oldObj);
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return jsonEncodeBytes(newObj);
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}
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Future<Uint8List> Function(Uint8List) jsonUpdate<T>(
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T Function(dynamic) fromJson, Future<T> Function(T) update) =>
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(oldBytes) => jsonUpdateBytes(fromJson, oldBytes, update);
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T Function(Object?) genericFromJson<T>(
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T Function(Map<String, dynamic>) fromJsonMap) =>
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(json) => fromJsonMap(json! as Map<String, dynamic>);
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