Support zero argument function in custom mapping

.vscode/settings.json

@@ -0,0 +1,3 @@
+{
+    "yaml.schemaStore.enable": false
+}

examples/drift/lib/db.drift.dart

@@ -38,9 +38,10 @@ class $TodosTable extends Todos with TableInfo<$TodosTable, Todo> {
   @override
   List<GeneratedColumn> get $columns => [id, title, content, category];
   @override
-  String get aliasedName => _alias ?? 'todos';
+  String get aliasedName => _alias ?? actualTableName;
   @override
-  String get actualTableName => 'todos';
+  String get actualTableName => $name;
+  static const String $name = 'todos';
   @override
   VerificationContext validateIntegrity(Insertable<Todo> instance,
       {bool isInserting = false}) {
@@ -278,9 +279,10 @@ class $CategoriesTable extends Categories
   @override
   List<GeneratedColumn> get $columns => [id, description];
   @override
-  String get aliasedName => _alias ?? 'categories';
+  String get aliasedName => _alias ?? actualTableName;
   @override
-  String get actualTableName => 'categories';
+  String get actualTableName => $name;
+  static const String $name = 'categories';
   @override
   VerificationContext validateIntegrity(Insertable<Category> instance,
       {bool isInserting = false}) {

examples/drift/pubspec.yaml

@@ -15,5 +15,5 @@ dev_dependencies:
   auto_mappr: ^2.0.0
   build_runner: ^2.0.0
   drift_dev: ^2.7.0
-  netglade_analysis: ^6.0.0
+  netglade_analysis: ^8.0.0
   test: ^1.16.0

examples/example/pubspec.yaml

@@ -13,5 +13,5 @@ dependencies:
 dev_dependencies:
   auto_mappr: ^2.0.0
   build_runner: ^2.0.0
-  netglade_analysis: ^6.0.0
+  netglade_analysis: ^8.0.0
   test: ^1.16.0

examples/freezed/lib/freezed_example.freezed.dart

@@ -12,7 +12,7 @@ part of 'freezed_example.dart';
 T _$identity<T>(T value) => value;
 
 final _privateConstructorUsedError = UnsupportedError(
-    'It seems like you constructed your class using `MyClass._()`. This constructor is only meant to be used by freezed and you are not supposed to need it nor use it.\nPlease check the documentation here for more information: https://github.com/rrousselGit/freezed#custom-getters-and-methods');
+    'It seems like you constructed your class using `MyClass._()`. This constructor is only meant to be used by freezed and you are not supposed to need it nor use it.\nPlease check the documentation here for more information: https://github.com/rrousselGit/freezed#adding-getters-and-methods-to-our-models');
 
 /// @nodoc
 mixin _$UserInfoUnion {
@@ -79,11 +79,11 @@ class _$UserInfoUnionCopyWithImpl<$Res, $Val extends UserInfoUnion>
 }
 
 /// @nodoc
-abstract class _$$UserInfoCopyWith<$Res>
+abstract class _$$UserInfoImplCopyWith<$Res>
     implements $UserInfoUnionCopyWith<$Res> {
-  factory _$$UserInfoCopyWith(
-          _$UserInfo value, $Res Function(_$UserInfo) then) =
-      __$$UserInfoCopyWithImpl<$Res>;
+  factory _$$UserInfoImplCopyWith(
+          _$UserInfoImpl value, $Res Function(_$UserInfoImpl) then) =
+      __$$UserInfoImplCopyWithImpl<$Res>;
   @override
   @useResult
   $Res call(
@@ -94,10 +94,11 @@ abstract class _$$UserInfoCopyWith<$Res>
 }
 
 /// @nodoc
-class __$$UserInfoCopyWithImpl<$Res>
-    extends _$UserInfoUnionCopyWithImpl<$Res, _$UserInfo>
-    implements _$$UserInfoCopyWith<$Res> {
-  __$$UserInfoCopyWithImpl(_$UserInfo _value, $Res Function(_$UserInfo) _then)
+class __$$UserInfoImplCopyWithImpl<$Res>
+    extends _$UserInfoUnionCopyWithImpl<$Res, _$UserInfoImpl>
+    implements _$$UserInfoImplCopyWith<$Res> {
+  __$$UserInfoImplCopyWithImpl(
+      _$UserInfoImpl _value, $Res Function(_$UserInfoImpl) _then)
       : super(_value, _then);
 
   @pragma('vm:prefer-inline')
@@ -108,7 +109,7 @@ class __$$UserInfoCopyWithImpl<$Res>
     Object? updatedAt = null,
     Object? primarySectionId = null,
   }) {
-    return _then(_$UserInfo(
+    return _then(_$UserInfoImpl(
       email: null == email
           ? _value.email
           : email // ignore: cast_nullable_to_non_nullable
@@ -131,8 +132,8 @@ class __$$UserInfoCopyWithImpl<$Res>
 
 /// @nodoc
 
-class _$UserInfo implements UserInfo {
-  _$UserInfo(
+class _$UserInfoImpl implements UserInfo {
+  _$UserInfoImpl(
       {required this.email,
       required this.loginIdentifier,
       required this.updatedAt,
@@ -154,10 +155,10 @@ class _$UserInfo implements UserInfo {
   }
 
   @override
-  bool operator ==(dynamic other) {
+  bool operator ==(Object other) {
     return identical(this, other) ||
         (other.runtimeType == runtimeType &&
-            other is _$UserInfo &&
+            other is _$UserInfoImpl &&
             (identical(other.email, email) || other.email == email) &&
             (identical(other.loginIdentifier, loginIdentifier) ||
                 other.loginIdentifier == loginIdentifier) &&
@@ -174,16 +175,16 @@ class _$UserInfo implements UserInfo {
   @JsonKey(ignore: true)
   @override
   @pragma('vm:prefer-inline')
-  _$$UserInfoCopyWith<_$UserInfo> get copyWith =>
-      __$$UserInfoCopyWithImpl<_$UserInfo>(this, _$identity);
+  _$$UserInfoImplCopyWith<_$UserInfoImpl> get copyWith =>
+      __$$UserInfoImplCopyWithImpl<_$UserInfoImpl>(this, _$identity);
 }
 
 abstract class UserInfo implements UserInfoUnion {
   factory UserInfo(
       {required final String email,
       required final String loginIdentifier,
       required final DateTime updatedAt,
-      final int primarySectionId}) = _$UserInfo;
+      final int primarySectionId}) = _$UserInfoImpl;
 
   @override
   String get email;
@@ -195,6 +196,6 @@ abstract class UserInfo implements UserInfoUnion {
   int get primarySectionId;
   @override
   @JsonKey(ignore: true)
-  _$$UserInfoCopyWith<_$UserInfo> get copyWith =>
+  _$$UserInfoImplCopyWith<_$UserInfoImpl> get copyWith =>
       throw _privateConstructorUsedError;
 }

examples/freezed/pubspec.yaml

@@ -15,5 +15,5 @@ dev_dependencies:
   auto_mappr: ^2.0.0
   build_runner: ^2.0.0
   freezed: ^2.3.2
-  netglade_analysis: ^6.0.0
+  netglade_analysis: ^8.0.0
   test: ^1.16.0

examples/injectable/pubspec.yaml

@@ -16,5 +16,5 @@ dev_dependencies:
   auto_mappr: ^2.0.0
   build_runner: ^2.0.0
   injectable_generator: ^2.1.5
-  netglade_analysis: ^6.0.0
+  netglade_analysis: ^8.0.0
   test: ^1.16.0

examples/json_serializable/pubspec.yaml

@@ -14,5 +14,5 @@ dev_dependencies:
   auto_mappr: ^2.0.0
   build_runner: ^2.0.0
   json_serializable: ^6.6.1
-  netglade_analysis: ^6.0.0
+  netglade_analysis: ^8.0.0
   test: ^1.16.0

packages/auto_mappr/CHANGELOG.md

@@ -1,5 +1,8 @@
 [//]: # (## Unreleased)
 
+## 2.3.0
+- Support zero argument function in custom mapping  [#169](https://github.com/netglade/auto_mappr/pull/169) 
+
 ## 2.2.0
 - Improve error messages. [#147](https://github.com/netglade/auto_mappr/pull/147)
 - When the source is not null, `TypeConverter<Object, Object>` and `TypeConverter<Object, Object?>` now support mapping of source field `Object?` -> target field `Object?`. [#142](https://github.com/netglade/auto_mappr/pull/142)

packages/auto_mappr/README.md

@@ -1,9 +1,5 @@
-<a href="https://github.com/netglade">
-  <picture >
-    <source media="(prefers-color-scheme: dark)" height='120px' srcset="https://raw.githubusercontent.com/netglade/auto_mappr/main/packages/auto_mappr/doc/badge_light.png">
-    <source media="(prefers-color-scheme: light)" height='120px' srcset="https://raw.githubusercontent.com/netglade/auto_mappr/main/packages/auto_mappr/doc/badge_dark.png">
-    <img alt="netglade" height='120px' src="https://raw.githubusercontent.com/netglade/auto_mappr/main/packages/auto_mappr/doc/badge_dark.png">
-  </picture>
+<a href="https://github.com/netglade">  
+  <img alt="netglade" height='120px' src="https://raw.githubusercontent.com/netglade/auto_mappr/main/packages/auto_mappr/doc/badge.png">  
 </a>
 
 Developed with 💚 by [netglade][netglade_link]
@@ -281,8 +277,11 @@ When you need to assign a custom function or a const value as a value for given
 you can use the `custom` argument in a `Field` mapping.
 Alternatively, you can use the `Field.custom()` constructor
 which hides other then-invalid parameters.
+Provide `const Target` value or custom mapping function.
 
-You can set up `Target Function(Source dto)` function or `const Target` value.
+The custom function has to follow one of these formals:
+-  has `Source` model argument - `Target Function(Source dto)`
+-  has exactly zero arguments and returns `Target`
 
 ```dart
 @AutoMappr([
@@ -298,7 +297,8 @@ class Mappr extends $Mappr {
   static String mapName(UserDto dto) => dto.name.toUpperCase();
 }
 
-int mapAge(UserDto _) => 42;
+/// Return always 42
+int mapAge() => 42;
 ```
 
 ### Ignore mapping