diff --git a/.github/workflows/check_pr.yml b/.github/workflows/check_pr.yml
index 327c753a..15e57430 100644
--- a/.github/workflows/check_pr.yml
+++ b/.github/workflows/check_pr.yml
@@ -29,7 +29,9 @@ jobs:
         with:
           channel: stable
       - name: Activate melos
-        run: dart pub global activate melos 2.9.0
+        run: | 
+          dart pub get
+          dart pub global activate melos
       - name: Validate publish
         run: melos publish --dry-run --yes | tee ./out
       - name: Test if changed
@@ -58,7 +60,9 @@ jobs:
         with:
           channel: ${{ matrix.channel }}
       - name: Activate melos
-        run: dart pub global activate melos 2.9.0
+        run: | 
+          dart pub get
+          dart pub global activate melos
       - name: Bootstrap melos
         run: melos bs
       - name: Analyze package
@@ -80,7 +84,9 @@ jobs:
         with:
           channel: ${{ matrix.channel }}
       - name: Activate melos
-        run: dart pub global activate melos 2.9.0
+        run: | 
+          dart pub get
+          dart pub global activate melos
       - name: Bootstrap melos
         run: melos bs
       - name: Build dart
@@ -107,7 +113,9 @@ jobs:
         with:
           channel: ${{ matrix.channel }}
       - name: Activate melos
-        run: dart pub global activate melos 2.9.0
+        run: | 
+          dart pub get
+          dart pub global activate melos
       - name: Bootstrap melos
         run: melos bs
       - name: Run tests dart
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 973c7754..285f3053 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -13,12 +13,14 @@ jobs:
         with:
           channel: stable
       - name: Activate melos
-        run: dart pub global activate melos 2.9.0
+        run: | 
+          dart pub get
+          dart pub global activate melos
       - name: Login pub
         run: |
           mkdir -p "$XDG_CONFIG_HOME/dart/"
           echo "${{ secrets.PUB_CREDENTIALS}}" | base64 -d > "$XDG_CONFIG_HOME/dart/pub-credentials.json"
       - name: Validate publish
-        run: melos publish --dry-run --yes
+        run: dart run melos publish --dry-run --yes
       - name: Publish
-        run: melos publish --no-dry-run --yes
+        run: dart run melos publish --no-dry-run --yes
diff --git a/melos.yaml b/melos.yaml
index 5b8f5063..13415cd1 100644
--- a/melos.yaml
+++ b/melos.yaml
@@ -8,21 +8,21 @@ scripts:
     run: melos exec -- "dart analyze --fatal-infos ."
   test_dart:
     exec: dart test
-    select-package:
+    packageFilters:
       flutter: false
-      dir-exists: "test"
+      dirExists: "test"
   test_flutter:
     exec: flutter test
-    select-package:
+    packageFilters:
       flutter: true  
-      dir-exists: "test"
+      dirExists: "test"
   build_dart:
     exec: dart run build_runner build --delete-conflicting-outputs
-    select-package:
+    packageFilters:
       flutter: false
   build_flutter:
     exec: flutter pub run build_runner build --delete-conflicting-outputs
-    select-package:
+    packageFilters:
       flutter: true
   format:
     exec: dart format
diff --git a/packages/graphql_codegen/CHANGELOG.md b/packages/graphql_codegen/CHANGELOG.md
index 16956b5a..b0a81879 100644
--- a/packages/graphql_codegen/CHANGELOG.md
+++ b/packages/graphql_codegen/CHANGELOG.md
@@ -1,3 +1,7 @@
+# 0.13.11
+
+- Fix bug on bad type extension.
+
 # 0.13.10
 
 - Support enum value names starting with `_`.
diff --git a/packages/graphql_codegen/example/pubspec.lock b/packages/graphql_codegen/example/pubspec.lock
index 7f3e811d..59d7f28e 100644
--- a/packages/graphql_codegen/example/pubspec.lock
+++ b/packages/graphql_codegen/example/pubspec.lock
@@ -337,7 +337,7 @@ packages:
       path: ".."
       relative: true
     source: path
-    version: "0.13.10"
+    version: "0.13.11"
   graphql_flutter:
     dependency: "direct main"
     description:
diff --git a/packages/graphql_codegen/lib/src/context/schema.dart b/packages/graphql_codegen/lib/src/context/schema.dart
index e87e50c9..17c205e7 100644
--- a/packages/graphql_codegen/lib/src/context/schema.dart
+++ b/packages/graphql_codegen/lib/src/context/schema.dart
@@ -313,6 +313,7 @@ class Schema<TKey extends Object> {
       ...node.fields,
       ...definitions
           .whereType<ObjectTypeExtensionNode>()
+          .where((element) => element.name.value == node.name.value)
           .expand((element) => element.fields)
     ];
   }
@@ -324,6 +325,7 @@ class Schema<TKey extends Object> {
       ...node.fields,
       ...definitions
           .whereType<InterfaceTypeExtensionNode>()
+          .where((element) => element.name.value == node.name.value)
           .expand((element) => element.fields)
     ];
   }
diff --git a/packages/graphql_codegen/pubspec.yaml b/packages/graphql_codegen/pubspec.yaml
index 9b5161bb..991b80bb 100644
--- a/packages/graphql_codegen/pubspec.yaml
+++ b/packages/graphql_codegen/pubspec.yaml
@@ -3,7 +3,7 @@ description: |
   Simple, opinionated, codegen library for GraphQL. It allows you to
   generate serializers and client helpers to easily call and parse your data.
 
-version: 0.13.10
+version: 0.13.11
 homepage: https://github.com/heftapp/graphql_codegen/tree/main/packages/graphql_codegen
 repository: https://github.com/heftapp/graphql_codegen/tree/main/packages/graphql_codegen
 
diff --git a/packages/graphql_codegen/test/assets/issue_331/document.graphql b/packages/graphql_codegen/test/assets/issue_331/document.graphql
new file mode 100644
index 00000000..7690d778
--- /dev/null
+++ b/packages/graphql_codegen/test/assets/issue_331/document.graphql
@@ -0,0 +1,26 @@
+# query.graphql
+type Query {
+}
+
+# (1)
+extend type Query {
+    foo: FooResponse!
+}
+
+type FooResponse {
+    foo: FooCore!
+}
+
+type FooCore {
+    bar: String!
+}
+
+query FooQuery {
+    foo {
+        # (2)
+        foo {
+            # (3)
+            bar
+        }
+    }
+}
diff --git a/packages/graphql_codegen/test/assets/issue_331/document.graphql.dart b/packages/graphql_codegen/test/assets/issue_331/document.graphql.dart
new file mode 100644
index 00000000..84d4d689
--- /dev/null
+++ b/packages/graphql_codegen/test/assets/issue_331/document.graphql.dart
@@ -0,0 +1,615 @@
+import 'package:gql/ast.dart';
+
+enum Enum$__TypeKind {
+  SCALAR,
+  OBJECT,
+  INTERFACE,
+  UNION,
+  ENUM,
+  INPUT_OBJECT,
+  LIST,
+  NON_NULL,
+  $unknown
+}
+
+String toJson$Enum$__TypeKind(Enum$__TypeKind e) {
+  switch (e) {
+    case Enum$__TypeKind.SCALAR:
+      return r'SCALAR';
+    case Enum$__TypeKind.OBJECT:
+      return r'OBJECT';
+    case Enum$__TypeKind.INTERFACE:
+      return r'INTERFACE';
+    case Enum$__TypeKind.UNION:
+      return r'UNION';
+    case Enum$__TypeKind.ENUM:
+      return r'ENUM';
+    case Enum$__TypeKind.INPUT_OBJECT:
+      return r'INPUT_OBJECT';
+    case Enum$__TypeKind.LIST:
+      return r'LIST';
+    case Enum$__TypeKind.NON_NULL:
+      return r'NON_NULL';
+    case Enum$__TypeKind.$unknown:
+      return r'$unknown';
+  }
+}
+
+Enum$__TypeKind fromJson$Enum$__TypeKind(String value) {
+  switch (value) {
+    case r'SCALAR':
+      return Enum$__TypeKind.SCALAR;
+    case r'OBJECT':
+      return Enum$__TypeKind.OBJECT;
+    case r'INTERFACE':
+      return Enum$__TypeKind.INTERFACE;
+    case r'UNION':
+      return Enum$__TypeKind.UNION;
+    case r'ENUM':
+      return Enum$__TypeKind.ENUM;
+    case r'INPUT_OBJECT':
+      return Enum$__TypeKind.INPUT_OBJECT;
+    case r'LIST':
+      return Enum$__TypeKind.LIST;
+    case r'NON_NULL':
+      return Enum$__TypeKind.NON_NULL;
+    default:
+      return Enum$__TypeKind.$unknown;
+  }
+}
+
+enum Enum$__DirectiveLocation {
+  QUERY,
+  MUTATION,
+  SUBSCRIPTION,
+  FIELD,
+  FRAGMENT_DEFINITION,
+  FRAGMENT_SPREAD,
+  INLINE_FRAGMENT,
+  VARIABLE_DEFINITION,
+  SCHEMA,
+  SCALAR,
+  OBJECT,
+  FIELD_DEFINITION,
+  ARGUMENT_DEFINITION,
+  INTERFACE,
+  UNION,
+  ENUM,
+  ENUM_VALUE,
+  INPUT_OBJECT,
+  INPUT_FIELD_DEFINITION,
+  $unknown
+}
+
+String toJson$Enum$__DirectiveLocation(Enum$__DirectiveLocation e) {
+  switch (e) {
+    case Enum$__DirectiveLocation.QUERY:
+      return r'QUERY';
+    case Enum$__DirectiveLocation.MUTATION:
+      return r'MUTATION';
+    case Enum$__DirectiveLocation.SUBSCRIPTION:
+      return r'SUBSCRIPTION';
+    case Enum$__DirectiveLocation.FIELD:
+      return r'FIELD';
+    case Enum$__DirectiveLocation.FRAGMENT_DEFINITION:
+      return r'FRAGMENT_DEFINITION';
+    case Enum$__DirectiveLocation.FRAGMENT_SPREAD:
+      return r'FRAGMENT_SPREAD';
+    case Enum$__DirectiveLocation.INLINE_FRAGMENT:
+      return r'INLINE_FRAGMENT';
+    case Enum$__DirectiveLocation.VARIABLE_DEFINITION:
+      return r'VARIABLE_DEFINITION';
+    case Enum$__DirectiveLocation.SCHEMA:
+      return r'SCHEMA';
+    case Enum$__DirectiveLocation.SCALAR:
+      return r'SCALAR';
+    case Enum$__DirectiveLocation.OBJECT:
+      return r'OBJECT';
+    case Enum$__DirectiveLocation.FIELD_DEFINITION:
+      return r'FIELD_DEFINITION';
+    case Enum$__DirectiveLocation.ARGUMENT_DEFINITION:
+      return r'ARGUMENT_DEFINITION';
+    case Enum$__DirectiveLocation.INTERFACE:
+      return r'INTERFACE';
+    case Enum$__DirectiveLocation.UNION:
+      return r'UNION';
+    case Enum$__DirectiveLocation.ENUM:
+      return r'ENUM';
+    case Enum$__DirectiveLocation.ENUM_VALUE:
+      return r'ENUM_VALUE';
+    case Enum$__DirectiveLocation.INPUT_OBJECT:
+      return r'INPUT_OBJECT';
+    case Enum$__DirectiveLocation.INPUT_FIELD_DEFINITION:
+      return r'INPUT_FIELD_DEFINITION';
+    case Enum$__DirectiveLocation.$unknown:
+      return r'$unknown';
+  }
+}
+
+Enum$__DirectiveLocation fromJson$Enum$__DirectiveLocation(String value) {
+  switch (value) {
+    case r'QUERY':
+      return Enum$__DirectiveLocation.QUERY;
+    case r'MUTATION':
+      return Enum$__DirectiveLocation.MUTATION;
+    case r'SUBSCRIPTION':
+      return Enum$__DirectiveLocation.SUBSCRIPTION;
+    case r'FIELD':
+      return Enum$__DirectiveLocation.FIELD;
+    case r'FRAGMENT_DEFINITION':
+      return Enum$__DirectiveLocation.FRAGMENT_DEFINITION;
+    case r'FRAGMENT_SPREAD':
+      return Enum$__DirectiveLocation.FRAGMENT_SPREAD;
+    case r'INLINE_FRAGMENT':
+      return Enum$__DirectiveLocation.INLINE_FRAGMENT;
+    case r'VARIABLE_DEFINITION':
+      return Enum$__DirectiveLocation.VARIABLE_DEFINITION;
+    case r'SCHEMA':
+      return Enum$__DirectiveLocation.SCHEMA;
+    case r'SCALAR':
+      return Enum$__DirectiveLocation.SCALAR;
+    case r'OBJECT':
+      return Enum$__DirectiveLocation.OBJECT;
+    case r'FIELD_DEFINITION':
+      return Enum$__DirectiveLocation.FIELD_DEFINITION;
+    case r'ARGUMENT_DEFINITION':
+      return Enum$__DirectiveLocation.ARGUMENT_DEFINITION;
+    case r'INTERFACE':
+      return Enum$__DirectiveLocation.INTERFACE;
+    case r'UNION':
+      return Enum$__DirectiveLocation.UNION;
+    case r'ENUM':
+      return Enum$__DirectiveLocation.ENUM;
+    case r'ENUM_VALUE':
+      return Enum$__DirectiveLocation.ENUM_VALUE;
+    case r'INPUT_OBJECT':
+      return Enum$__DirectiveLocation.INPUT_OBJECT;
+    case r'INPUT_FIELD_DEFINITION':
+      return Enum$__DirectiveLocation.INPUT_FIELD_DEFINITION;
+    default:
+      return Enum$__DirectiveLocation.$unknown;
+  }
+}
+
+class Query$FooQuery {
+  Query$FooQuery({
+    required this.foo,
+    this.$__typename = 'Query',
+  });
+
+  factory Query$FooQuery.fromJson(Map<String, dynamic> json) {
+    final l$foo = json['foo'];
+    final l$$__typename = json['__typename'];
+    return Query$FooQuery(
+      foo: Query$FooQuery$foo.fromJson((l$foo as Map<String, dynamic>)),
+      $__typename: (l$$__typename as String),
+    );
+  }
+
+  final Query$FooQuery$foo foo;
+
+  final String $__typename;
+
+  Map<String, dynamic> toJson() {
+    final _resultData = <String, dynamic>{};
+    final l$foo = foo;
+    _resultData['foo'] = l$foo.toJson();
+    final l$$__typename = $__typename;
+    _resultData['__typename'] = l$$__typename;
+    return _resultData;
+  }
+
+  @override
+  int get hashCode {
+    final l$foo = foo;
+    final l$$__typename = $__typename;
+    return Object.hashAll([
+      l$foo,
+      l$$__typename,
+    ]);
+  }
+
+  @override
+  bool operator ==(Object other) {
+    if (identical(this, other)) {
+      return true;
+    }
+    if (!(other is Query$FooQuery) || runtimeType != other.runtimeType) {
+      return false;
+    }
+    final l$foo = foo;
+    final lOther$foo = other.foo;
+    if (l$foo != lOther$foo) {
+      return false;
+    }
+    final l$$__typename = $__typename;
+    final lOther$$__typename = other.$__typename;
+    if (l$$__typename != lOther$$__typename) {
+      return false;
+    }
+    return true;
+  }
+}
+
+extension UtilityExtension$Query$FooQuery on Query$FooQuery {
+  CopyWith$Query$FooQuery<Query$FooQuery> get copyWith =>
+      CopyWith$Query$FooQuery(
+        this,
+        (i) => i,
+      );
+}
+
+abstract class CopyWith$Query$FooQuery<TRes> {
+  factory CopyWith$Query$FooQuery(
+    Query$FooQuery instance,
+    TRes Function(Query$FooQuery) then,
+  ) = _CopyWithImpl$Query$FooQuery;
+
+  factory CopyWith$Query$FooQuery.stub(TRes res) =
+      _CopyWithStubImpl$Query$FooQuery;
+
+  TRes call({
+    Query$FooQuery$foo? foo,
+    String? $__typename,
+  });
+  CopyWith$Query$FooQuery$foo<TRes> get foo;
+}
+
+class _CopyWithImpl$Query$FooQuery<TRes>
+    implements CopyWith$Query$FooQuery<TRes> {
+  _CopyWithImpl$Query$FooQuery(
+    this._instance,
+    this._then,
+  );
+
+  final Query$FooQuery _instance;
+
+  final TRes Function(Query$FooQuery) _then;
+
+  static const _undefined = <dynamic, dynamic>{};
+
+  TRes call({
+    Object? foo = _undefined,
+    Object? $__typename = _undefined,
+  }) =>
+      _then(Query$FooQuery(
+        foo: foo == _undefined || foo == null
+            ? _instance.foo
+            : (foo as Query$FooQuery$foo),
+        $__typename: $__typename == _undefined || $__typename == null
+            ? _instance.$__typename
+            : ($__typename as String),
+      ));
+
+  CopyWith$Query$FooQuery$foo<TRes> get foo {
+    final local$foo = _instance.foo;
+    return CopyWith$Query$FooQuery$foo(local$foo, (e) => call(foo: e));
+  }
+}
+
+class _CopyWithStubImpl$Query$FooQuery<TRes>
+    implements CopyWith$Query$FooQuery<TRes> {
+  _CopyWithStubImpl$Query$FooQuery(this._res);
+
+  TRes _res;
+
+  call({
+    Query$FooQuery$foo? foo,
+    String? $__typename,
+  }) =>
+      _res;
+
+  CopyWith$Query$FooQuery$foo<TRes> get foo =>
+      CopyWith$Query$FooQuery$foo.stub(_res);
+}
+
+const documentNodeQueryFooQuery = DocumentNode(definitions: [
+  OperationDefinitionNode(
+    type: OperationType.query,
+    name: NameNode(value: 'FooQuery'),
+    variableDefinitions: [],
+    directives: [],
+    selectionSet: SelectionSetNode(selections: [
+      FieldNode(
+        name: NameNode(value: 'foo'),
+        alias: null,
+        arguments: [],
+        directives: [],
+        selectionSet: SelectionSetNode(selections: [
+          FieldNode(
+            name: NameNode(value: 'foo'),
+            alias: null,
+            arguments: [],
+            directives: [],
+            selectionSet: SelectionSetNode(selections: [
+              FieldNode(
+                name: NameNode(value: 'bar'),
+                alias: null,
+                arguments: [],
+                directives: [],
+                selectionSet: null,
+              ),
+              FieldNode(
+                name: NameNode(value: '__typename'),
+                alias: null,
+                arguments: [],
+                directives: [],
+                selectionSet: null,
+              ),
+            ]),
+          ),
+          FieldNode(
+            name: NameNode(value: '__typename'),
+            alias: null,
+            arguments: [],
+            directives: [],
+            selectionSet: null,
+          ),
+        ]),
+      ),
+      FieldNode(
+        name: NameNode(value: '__typename'),
+        alias: null,
+        arguments: [],
+        directives: [],
+        selectionSet: null,
+      ),
+    ]),
+  ),
+]);
+
+class Query$FooQuery$foo {
+  Query$FooQuery$foo({
+    required this.foo,
+    this.$__typename = 'FooResponse',
+  });
+
+  factory Query$FooQuery$foo.fromJson(Map<String, dynamic> json) {
+    final l$foo = json['foo'];
+    final l$$__typename = json['__typename'];
+    return Query$FooQuery$foo(
+      foo: Query$FooQuery$foo$foo.fromJson((l$foo as Map<String, dynamic>)),
+      $__typename: (l$$__typename as String),
+    );
+  }
+
+  final Query$FooQuery$foo$foo foo;
+
+  final String $__typename;
+
+  Map<String, dynamic> toJson() {
+    final _resultData = <String, dynamic>{};
+    final l$foo = foo;
+    _resultData['foo'] = l$foo.toJson();
+    final l$$__typename = $__typename;
+    _resultData['__typename'] = l$$__typename;
+    return _resultData;
+  }
+
+  @override
+  int get hashCode {
+    final l$foo = foo;
+    final l$$__typename = $__typename;
+    return Object.hashAll([
+      l$foo,
+      l$$__typename,
+    ]);
+  }
+
+  @override
+  bool operator ==(Object other) {
+    if (identical(this, other)) {
+      return true;
+    }
+    if (!(other is Query$FooQuery$foo) || runtimeType != other.runtimeType) {
+      return false;
+    }
+    final l$foo = foo;
+    final lOther$foo = other.foo;
+    if (l$foo != lOther$foo) {
+      return false;
+    }
+    final l$$__typename = $__typename;
+    final lOther$$__typename = other.$__typename;
+    if (l$$__typename != lOther$$__typename) {
+      return false;
+    }
+    return true;
+  }
+}
+
+extension UtilityExtension$Query$FooQuery$foo on Query$FooQuery$foo {
+  CopyWith$Query$FooQuery$foo<Query$FooQuery$foo> get copyWith =>
+      CopyWith$Query$FooQuery$foo(
+        this,
+        (i) => i,
+      );
+}
+
+abstract class CopyWith$Query$FooQuery$foo<TRes> {
+  factory CopyWith$Query$FooQuery$foo(
+    Query$FooQuery$foo instance,
+    TRes Function(Query$FooQuery$foo) then,
+  ) = _CopyWithImpl$Query$FooQuery$foo;
+
+  factory CopyWith$Query$FooQuery$foo.stub(TRes res) =
+      _CopyWithStubImpl$Query$FooQuery$foo;
+
+  TRes call({
+    Query$FooQuery$foo$foo? foo,
+    String? $__typename,
+  });
+  CopyWith$Query$FooQuery$foo$foo<TRes> get foo;
+}
+
+class _CopyWithImpl$Query$FooQuery$foo<TRes>
+    implements CopyWith$Query$FooQuery$foo<TRes> {
+  _CopyWithImpl$Query$FooQuery$foo(
+    this._instance,
+    this._then,
+  );
+
+  final Query$FooQuery$foo _instance;
+
+  final TRes Function(Query$FooQuery$foo) _then;
+
+  static const _undefined = <dynamic, dynamic>{};
+
+  TRes call({
+    Object? foo = _undefined,
+    Object? $__typename = _undefined,
+  }) =>
+      _then(Query$FooQuery$foo(
+        foo: foo == _undefined || foo == null
+            ? _instance.foo
+            : (foo as Query$FooQuery$foo$foo),
+        $__typename: $__typename == _undefined || $__typename == null
+            ? _instance.$__typename
+            : ($__typename as String),
+      ));
+
+  CopyWith$Query$FooQuery$foo$foo<TRes> get foo {
+    final local$foo = _instance.foo;
+    return CopyWith$Query$FooQuery$foo$foo(local$foo, (e) => call(foo: e));
+  }
+}
+
+class _CopyWithStubImpl$Query$FooQuery$foo<TRes>
+    implements CopyWith$Query$FooQuery$foo<TRes> {
+  _CopyWithStubImpl$Query$FooQuery$foo(this._res);
+
+  TRes _res;
+
+  call({
+    Query$FooQuery$foo$foo? foo,
+    String? $__typename,
+  }) =>
+      _res;
+
+  CopyWith$Query$FooQuery$foo$foo<TRes> get foo =>
+      CopyWith$Query$FooQuery$foo$foo.stub(_res);
+}
+
+class Query$FooQuery$foo$foo {
+  Query$FooQuery$foo$foo({
+    required this.bar,
+    this.$__typename = 'FooCore',
+  });
+
+  factory Query$FooQuery$foo$foo.fromJson(Map<String, dynamic> json) {
+    final l$bar = json['bar'];
+    final l$$__typename = json['__typename'];
+    return Query$FooQuery$foo$foo(
+      bar: (l$bar as String),
+      $__typename: (l$$__typename as String),
+    );
+  }
+
+  final String bar;
+
+  final String $__typename;
+
+  Map<String, dynamic> toJson() {
+    final _resultData = <String, dynamic>{};
+    final l$bar = bar;
+    _resultData['bar'] = l$bar;
+    final l$$__typename = $__typename;
+    _resultData['__typename'] = l$$__typename;
+    return _resultData;
+  }
+
+  @override
+  int get hashCode {
+    final l$bar = bar;
+    final l$$__typename = $__typename;
+    return Object.hashAll([
+      l$bar,
+      l$$__typename,
+    ]);
+  }
+
+  @override
+  bool operator ==(Object other) {
+    if (identical(this, other)) {
+      return true;
+    }
+    if (!(other is Query$FooQuery$foo$foo) ||
+        runtimeType != other.runtimeType) {
+      return false;
+    }
+    final l$bar = bar;
+    final lOther$bar = other.bar;
+    if (l$bar != lOther$bar) {
+      return false;
+    }
+    final l$$__typename = $__typename;
+    final lOther$$__typename = other.$__typename;
+    if (l$$__typename != lOther$$__typename) {
+      return false;
+    }
+    return true;
+  }
+}
+
+extension UtilityExtension$Query$FooQuery$foo$foo on Query$FooQuery$foo$foo {
+  CopyWith$Query$FooQuery$foo$foo<Query$FooQuery$foo$foo> get copyWith =>
+      CopyWith$Query$FooQuery$foo$foo(
+        this,
+        (i) => i,
+      );
+}
+
+abstract class CopyWith$Query$FooQuery$foo$foo<TRes> {
+  factory CopyWith$Query$FooQuery$foo$foo(
+    Query$FooQuery$foo$foo instance,
+    TRes Function(Query$FooQuery$foo$foo) then,
+  ) = _CopyWithImpl$Query$FooQuery$foo$foo;
+
+  factory CopyWith$Query$FooQuery$foo$foo.stub(TRes res) =
+      _CopyWithStubImpl$Query$FooQuery$foo$foo;
+
+  TRes call({
+    String? bar,
+    String? $__typename,
+  });
+}
+
+class _CopyWithImpl$Query$FooQuery$foo$foo<TRes>
+    implements CopyWith$Query$FooQuery$foo$foo<TRes> {
+  _CopyWithImpl$Query$FooQuery$foo$foo(
+    this._instance,
+    this._then,
+  );
+
+  final Query$FooQuery$foo$foo _instance;
+
+  final TRes Function(Query$FooQuery$foo$foo) _then;
+
+  static const _undefined = <dynamic, dynamic>{};
+
+  TRes call({
+    Object? bar = _undefined,
+    Object? $__typename = _undefined,
+  }) =>
+      _then(Query$FooQuery$foo$foo(
+        bar: bar == _undefined || bar == null ? _instance.bar : (bar as String),
+        $__typename: $__typename == _undefined || $__typename == null
+            ? _instance.$__typename
+            : ($__typename as String),
+      ));
+}
+
+class _CopyWithStubImpl$Query$FooQuery$foo$foo<TRes>
+    implements CopyWith$Query$FooQuery$foo$foo<TRes> {
+  _CopyWithStubImpl$Query$FooQuery$foo$foo(this._res);
+
+  TRes _res;
+
+  call({
+    String? bar,
+    String? $__typename,
+  }) =>
+      _res;
+}
+
+const possibleTypesMap = <String, Set<String>>{};
diff --git a/packages/graphql_switch/example/pubspec.lock b/packages/graphql_switch/example/pubspec.lock
index 83f30436..1c4e679f 100644
--- a/packages/graphql_switch/example/pubspec.lock
+++ b/packages/graphql_switch/example/pubspec.lock
@@ -308,7 +308,7 @@ packages:
       path: "../../graphql_codegen"
       relative: true
     source: path
-    version: "0.13.10"
+    version: "0.13.11"
   graphql_switch:
     dependency: "direct main"
     description:
diff --git a/packages/graphql_switch/pubspec.lock b/packages/graphql_switch/pubspec.lock
index 0ab571dc..b40287d9 100644
--- a/packages/graphql_switch/pubspec.lock
+++ b/packages/graphql_switch/pubspec.lock
@@ -324,7 +324,7 @@ packages:
       path: "../graphql_codegen"
       relative: true
     source: path
-    version: "0.13.10"
+    version: "0.13.11"
   graphs:
     dependency: transitive
     description:
diff --git a/pubspec.lock b/pubspec.lock
new file mode 100644
index 00000000..0cc3ec75
--- /dev/null
+++ b/pubspec.lock
@@ -0,0 +1,317 @@
+# Generated by pub
+# See https://dart.dev/tools/pub/glossary#lockfile
+packages:
+  ansi_styles:
+    dependency: transitive
+    description:
+      name: ansi_styles
+      sha256: "9c656cc12b3c27b17dd982b2cc5c0cfdfbdabd7bc8f3ae5e8542d9867b47ce8a"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.3.2+1"
+  args:
+    dependency: transitive
+    description:
+      name: args
+      sha256: eef6c46b622e0494a36c5a12d10d77fb4e855501a91c1b9ef9339326e58f0596
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.4.2"
+  async:
+    dependency: transitive
+    description:
+      name: async
+      sha256: "947bfcf187f74dbc5e146c9eb9c0f10c9f8b30743e341481c1e2ed3ecc18c20c"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.11.0"
+  boolean_selector:
+    dependency: transitive
+    description:
+      name: boolean_selector
+      sha256: "6cfb5af12253eaf2b368f07bacc5a80d1301a071c73360d746b7f2e32d762c66"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.1"
+  charcode:
+    dependency: transitive
+    description:
+      name: charcode
+      sha256: fb98c0f6d12c920a02ee2d998da788bca066ca5f148492b7085ee23372b12306
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.3.1"
+  cli_launcher:
+    dependency: transitive
+    description:
+      name: cli_launcher
+      sha256: "5e7e0282b79e8642edd6510ee468ae2976d847a0a29b3916e85f5fa1bfe24005"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.3.1"
+  cli_util:
+    dependency: transitive
+    description:
+      name: cli_util
+      sha256: b8db3080e59b2503ca9e7922c3df2072cf13992354d5e944074ffa836fba43b7
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.4.0"
+  collection:
+    dependency: transitive
+    description:
+      name: collection
+      sha256: ee67cb0715911d28db6bf4af1026078bd6f0128b07a5f66fb2ed94ec6783c09a
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.18.0"
+  conventional_commit:
+    dependency: transitive
+    description:
+      name: conventional_commit
+      sha256: dec15ad1118f029c618651a4359eb9135d8b88f761aa24e4016d061cd45948f2
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.6.0+1"
+  file:
+    dependency: transitive
+    description:
+      name: file
+      sha256: "1b92bec4fc2a72f59a8e15af5f52cd441e4a7860b49499d69dfa817af20e925d"
+      url: "https://pub.dev"
+    source: hosted
+    version: "6.1.4"
+  glob:
+    dependency: transitive
+    description:
+      name: glob
+      sha256: "0e7014b3b7d4dac1ca4d6114f82bf1782ee86745b9b42a92c9289c23d8a0ab63"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.2"
+  graphs:
+    dependency: transitive
+    description:
+      name: graphs
+      sha256: aedc5a15e78fc65a6e23bcd927f24c64dd995062bcd1ca6eda65a3cff92a4d19
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.3.1"
+  http:
+    dependency: transitive
+    description:
+      name: http
+      sha256: "759d1a329847dd0f39226c688d3e06a6b8679668e350e2891a6474f8b4bb8525"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.1.0"
+  http_parser:
+    dependency: transitive
+    description:
+      name: http_parser
+      sha256: "2aa08ce0341cc9b354a498388e30986515406668dbcc4f7c950c3e715496693b"
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.0.2"
+  io:
+    dependency: transitive
+    description:
+      name: io
+      sha256: "2ec25704aba361659e10e3e5f5d672068d332fc8ac516421d483a11e5cbd061e"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.0.4"
+  json_annotation:
+    dependency: transitive
+    description:
+      name: json_annotation
+      sha256: b10a7b2ff83d83c777edba3c6a0f97045ddadd56c944e1a23a3fdf43a1bf4467
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.8.1"
+  matcher:
+    dependency: transitive
+    description:
+      name: matcher
+      sha256: "1803e76e6653768d64ed8ff2e1e67bea3ad4b923eb5c56a295c3e634bad5960e"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.12.16"
+  melos:
+    dependency: "direct dev"
+    description:
+      name: melos
+      sha256: "96e64bbade5712c3f010137e195bca9f1b351fac34ab1f322af492ae34032067"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.4.0"
+  meta:
+    dependency: transitive
+    description:
+      name: meta
+      sha256: d584fa6707a52763a52446f02cc621b077888fb63b93bbcb1143a7be5a0c0c04
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.11.0"
+  mustache_template:
+    dependency: transitive
+    description:
+      name: mustache_template
+      sha256: a46e26f91445bfb0b60519be280555b06792460b27b19e2b19ad5b9740df5d1c
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.0.0"
+  path:
+    dependency: transitive
+    description:
+      name: path
+      sha256: "087ce49c3f0dc39180befefc60fdb4acd8f8620e5682fe2476afd0b3688bb4af"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.9.0"
+  platform:
+    dependency: transitive
+    description:
+      name: platform
+      sha256: "0a279f0707af40c890e80b1e9df8bb761694c074ba7e1d4ab1bc4b728e200b59"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.1.3"
+  pool:
+    dependency: transitive
+    description:
+      name: pool
+      sha256: "20fe868b6314b322ea036ba325e6fc0711a22948856475e2c2b6306e8ab39c2a"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.5.1"
+  process:
+    dependency: transitive
+    description:
+      name: process
+      sha256: "53fd8db9cec1d37b0574e12f07520d582019cb6c44abf5479a01505099a34a09"
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.2.4"
+  prompts:
+    dependency: transitive
+    description:
+      name: prompts
+      sha256: "3773b845e85a849f01e793c4fc18a45d52d7783b4cb6c0569fad19f9d0a774a1"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.0.0"
+  pub_semver:
+    dependency: transitive
+    description:
+      name: pub_semver
+      sha256: "40d3ab1bbd474c4c2328c91e3a7df8c6dd629b79ece4c4bd04bee496a224fb0c"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.4"
+  pub_updater:
+    dependency: transitive
+    description:
+      name: pub_updater
+      sha256: b06600619c8c219065a548f8f7c192b3e080beff95488ed692780f48f69c0625
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.3.1"
+  pubspec:
+    dependency: transitive
+    description:
+      name: pubspec
+      sha256: f534a50a2b4d48dc3bc0ec147c8bd7c304280fff23b153f3f11803c4d49d927e
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.3.0"
+  quiver:
+    dependency: transitive
+    description:
+      name: quiver
+      sha256: b1c1ac5ce6688d77f65f3375a9abb9319b3cb32486bdc7a1e0fdf004d7ba4e47
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.2.1"
+  source_span:
+    dependency: transitive
+    description:
+      name: source_span
+      sha256: "53e943d4206a5e30df338fd4c6e7a077e02254531b138a15aec3bd143c1a8b3c"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.10.0"
+  stack_trace:
+    dependency: transitive
+    description:
+      name: stack_trace
+      sha256: "73713990125a6d93122541237550ee3352a2d84baad52d375a4cad2eb9b7ce0b"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.11.1"
+  stream_channel:
+    dependency: transitive
+    description:
+      name: stream_channel
+      sha256: ba2aa5d8cc609d96bbb2899c28934f9e1af5cddbd60a827822ea467161eb54e7
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.2"
+  string_scanner:
+    dependency: transitive
+    description:
+      name: string_scanner
+      sha256: "556692adab6cfa87322a115640c11f13cb77b3f076ddcc5d6ae3c20242bedcde"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.2.0"
+  term_glyph:
+    dependency: transitive
+    description:
+      name: term_glyph
+      sha256: a29248a84fbb7c79282b40b8c72a1209db169a2e0542bce341da992fe1bc7e84
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.2.1"
+  test_api:
+    dependency: transitive
+    description:
+      name: test_api
+      sha256: "5c2f730018264d276c20e4f1503fd1308dfbbae39ec8ee63c5236311ac06954b"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.6.1"
+  typed_data:
+    dependency: transitive
+    description:
+      name: typed_data
+      sha256: facc8d6582f16042dd49f2463ff1bd6e2c9ef9f3d5da3d9b087e244a7b564b3c
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.3.2"
+  uri:
+    dependency: transitive
+    description:
+      name: uri
+      sha256: "889eea21e953187c6099802b7b4cf5219ba8f3518f604a1033064d45b1b8268a"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.0.0"
+  yaml:
+    dependency: transitive
+    description:
+      name: yaml
+      sha256: "75769501ea3489fca56601ff33454fe45507ea3bfb014161abc3b43ae25989d5"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.1.2"
+  yaml_edit:
+    dependency: transitive
+    description:
+      name: yaml_edit
+      sha256: "1579d4a0340a83cf9e4d580ea51a16329c916973bffd5bd4b45e911b25d46bfd"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.1"
+sdks:
+  dart: ">=3.0.0 <4.0.0"
diff --git a/pubspec.yaml b/pubspec.yaml
new file mode 100644
index 00000000..ae521d6b
--- /dev/null
+++ b/pubspec.yaml
@@ -0,0 +1,8 @@
+name: graphql_codegen_workspace
+
+environment:
+  sdk: ">=2.12.0 <3.0.0"
+
+
+dev_dependencies:
+  melos: 3.4.0
\ No newline at end of file