search method
Implementation
Future<Iterable<Resource>> search({
required Dstu2ResourceType resourceType,
required bool Function(Map<String, dynamic>) finder,
String? pw,
}) async {
await _ensureInit(pw: pw);
final Box<Map<dynamic, dynamic>> box =
await _getBox(resourceType: resourceType, pw: pw);
final Map<dynamic, Map<dynamic, dynamic>> boxData = box.toMap();
boxData.removeWhere((dynamic key, Map<dynamic, dynamic> value) =>
!finder(Map<String, dynamic>.from(value)));
return boxData.values
.map((Map<dynamic, dynamic> e) =>
jsonDecode(jsonEncode(e)) as Map<String, dynamic>)
.map((Map<String, dynamic> e) => Resource.fromJson(e))
.toList();
}