24 lines
535 B
Dart
24 lines
535 B
Dart
import 'dart:convert';
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import 'package:moor/moor.dart';
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/// Maps a [Map] of type [String], [T] into a [String] understood
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/// by the sqlite backend.
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class MapConverter<T> extends TypeConverter<Map<String, T>, String> {
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@override
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Map<String, T>? mapToDart(String? fromDb) {
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if (fromDb == null) {
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return null;
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}
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return Map<String, T>.from(jsonDecode(fromDb) ?? {});
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}
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@override
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String? mapToSql(Map<String, T>? value) {
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if (value == null) {
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return null;
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}
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return jsonEncode(value);
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}
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}
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