feat: Add typename default to constructor

packages/graphql_codegen/CHANGELOG.md

@@ -1,3 +1,7 @@
+# 0.12.0-beta.10
+
+* Provide default typename parameter to constructor
+
 # 0.12.0-beta.9
 
 * Support schema extensions.

packages/graphql_codegen/example/lib/fragments.graphql.dart

@@ -11,7 +11,7 @@ class Fragment$PersonSummary {
     this.eventsOfEvents,
     this.parents,
     this.favParent,
-    required this.$__typename,
+    this.$__typename = 'Person',
   });
 
   factory Fragment$PersonSummary.fromJson(Map<String, dynamic> json) {
@@ -470,7 +470,7 @@ extension ClientExtension$Fragment$PersonSummary on graphql.GraphQLClient {
 class Fragment$PersonParent {
   Fragment$PersonParent({
     required this.name,
-    required this.$__typename,
+    this.$__typename = 'Person',
   });
 
   factory Fragment$PersonParent.fromJson(Map<String, dynamic> json) {

packages/graphql_codegen/example/lib/main.graphql.dart

@@ -103,7 +103,7 @@ class _CopyWithStubImpl$Variables$Query$FetchPerson<TRes>
 class Query$FetchPerson {
   Query$FetchPerson({
     this.fetchPerson,
-    required this.$__typename,
+    this.$__typename = 'Query',
   });
 
   factory Query$FetchPerson.fromJson(Map<String, dynamic> json) {
@@ -461,7 +461,7 @@ class Query$FetchPerson$fetchPerson implements Fragment$PersonSummary {
     this.eventsOfEvents,
     this.parents,
     this.favParent,
-    required this.$__typename,
+    this.$__typename = 'Person',
     this.children,
   });
 
@@ -846,7 +846,7 @@ class Query$FetchPerson$fetchPerson$parents
     implements Fragment$PersonParent, Fragment$PersonSummary {
   Query$FetchPerson$fetchPerson$parents({
     required this.name,
-    required this.$__typename,
+    this.$__typename = 'Person',
     this.nickname,
     this.dob,
     this.events,
@@ -1278,7 +1278,7 @@ class _CopyWithStubImpl$Variables$Mutation$UpdatePerson<TRes>
 class Mutation$UpdatePerson {
   Mutation$UpdatePerson({
     this.updatePerson,
-    required this.$__typename,
+    this.$__typename = 'Mutation',
   });
 
   factory Mutation$UpdatePerson.fromJson(Map<String, dynamic> json) {
@@ -1669,7 +1669,7 @@ class Mutation$UpdatePerson$Widget
 class Mutation$UpdatePerson$updatePerson {
   Mutation$UpdatePerson$updatePerson({
     required this.full_name,
-    required this.$__typename,
+    this.$__typename = 'Person',
   });
 
   factory Mutation$UpdatePerson$updatePerson.fromJson(
@@ -1900,7 +1900,7 @@ class _CopyWithStubImpl$Variables$Subscription$WatchPerson<TRes>
 class Subscription$WatchPerson {
   Subscription$WatchPerson({
     this.watchPerson,
-    required this.$__typename,
+    this.$__typename = 'Subscription',
   });
 
   factory Subscription$WatchPerson.fromJson(Map<String, dynamic> json) {
@@ -2193,7 +2193,7 @@ class Subscription$WatchPerson$Widget
 class Subscription$WatchPerson$watchPerson {
   Subscription$WatchPerson$watchPerson({
     required this.full_name,
-    required this.$__typename,
+    this.$__typename = 'Person',
   });
 
   factory Subscription$WatchPerson$watchPerson.fromJson(

packages/graphql_codegen/lib/src/printer/base/document.dart

@@ -76,11 +76,18 @@ Constructor _printConstructor(
         [
           ...properties.map<Parameter>(
             (p) => Parameter(
-              (b) => b
-                ..required = p.isRequired
-                ..named = true
-                ..toThis = true
-                ..name = c.namePrinter.printPropertyName(p.name),
+              (b) {
+                final defaultTo = p.isTypenameField &&
+                        c.context.currentType is ObjectTypeDefinitionNode
+                    ? literalString(c.context.currentTypeName.value).code
+                    : null;
+                b
+                  ..required = p.isRequired && defaultTo == null
+                  ..named = true
+                  ..toThis = true
+                  ..defaultTo = defaultTo
+                  ..name = c.namePrinter.printPropertyName(p.name);
+              },
             ),
           ),
         ],

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: 0.12.0-beta.9
+version: 0.12.0-beta.10
 homepage: https://github.com/heftapp/graphql_codegen/tree/main/packages/graphql_codegen
 repository: https://github.com/heftapp/graphql_codegen/tree/main/packages/graphql_codegen
 

packages/graphql_codegen/test/assets/add_typenames/schema.graphql.dart

@@ -3,7 +3,7 @@ import 'package:gql/ast.dart';
 class Fragment$FReport {
   Fragment$FReport({
     this.title,
-    required this.$__typename,
+    this.$__typename = 'Report',
   });
 
   factory Fragment$FReport.fromJson(Map<String, dynamic> json) {
@@ -156,7 +156,7 @@ class Query$Q {
     this.docsWihtoutTypename,
     this.docsWithAliasedTypename,
     this.docsWithFragment,
-    required this.$__typename,
+    this.$__typename = 'Query',
   });
 
   factory Query$Q.fromJson(Map<String, dynamic> json) {
@@ -705,7 +705,7 @@ class _CopyWithStubImpl$Query$Q$docsWithTypename<TRes>
 }
 
 class Query$Q$docsWithTypename$$Contract implements Query$Q$docsWithTypename {
-  Query$Q$docsWithTypename$$Contract({required this.$__typename});
+  Query$Q$docsWithTypename$$Contract({this.$__typename = 'Contract'});
 
   factory Query$Q$docsWithTypename$$Contract.fromJson(
       Map<String, dynamic> json) {
@@ -799,7 +799,7 @@ class _CopyWithStubImpl$Query$Q$docsWithTypename$$Contract<TRes>
 }
 
 class Query$Q$docsWithTypename$$Report implements Query$Q$docsWithTypename {
-  Query$Q$docsWithTypename$$Report({required this.$__typename});
+  Query$Q$docsWithTypename$$Report({this.$__typename = 'Report'});
 
   factory Query$Q$docsWithTypename$$Report.fromJson(Map<String, dynamic> json) {
     final l$$__typename = json['__typename'];
@@ -1026,7 +1026,7 @@ class Query$Q$docsWihtoutTypename$$Contract
     implements Query$Q$docsWihtoutTypename {
   Query$Q$docsWihtoutTypename$$Contract({
     this.title,
-    required this.$__typename,
+    this.$__typename = 'Contract',
   });
 
   factory Query$Q$docsWihtoutTypename$$Contract.fromJson(
@@ -1152,7 +1152,7 @@ class Query$Q$docsWihtoutTypename$$Report
     implements Query$Q$docsWihtoutTypename {
   Query$Q$docsWihtoutTypename$$Report({
     this.title,
-    required this.$__typename,
+    this.$__typename = 'Report',
   });
 
   factory Query$Q$docsWihtoutTypename$$Report.fromJson(
@@ -1659,7 +1659,7 @@ class _CopyWithStubImpl$Query$Q$docsWithFragment<TRes>
 class Query$Q$docsWithFragment$$Contract implements Query$Q$docsWithFragment {
   Query$Q$docsWithFragment$$Contract({
     this.title,
-    required this.$__typename,
+    this.$__typename = 'Contract',
   });
 
   factory Query$Q$docsWithFragment$$Contract.fromJson(
@@ -1785,7 +1785,7 @@ class Query$Q$docsWithFragment$$Report
     implements Fragment$FReport, Query$Q$docsWithFragment {
   Query$Q$docsWithFragment$$Report({
     this.title,
-    required this.$__typename,
+    this.$__typename = 'Report',
   });
 
   factory Query$Q$docsWithFragment$$Report.fromJson(Map<String, dynamic> json) {

packages/graphql_codegen/test/assets/condition_example/fragments.graphql.dart

@@ -164,7 +164,7 @@ const documentNodeFragmentCondition = DocumentNode(definitions: [
 class Fragment$Condition$$AndCondition implements Fragment$Condition {
   Fragment$Condition$$AndCondition({
     required this.name,
-    required this.$__typename,
+    this.$__typename = 'AndCondition',
   });
 
   factory Fragment$Condition$$AndCondition.fromJson(Map<String, dynamic> json) {
@@ -289,7 +289,7 @@ class _CopyWithStubImpl$Fragment$Condition$$AndCondition<TRes>
 class Fragment$Condition$$TimeCondition implements Fragment$Condition {
   Fragment$Condition$$TimeCondition({
     required this.name,
-    required this.$__typename,
+    this.$__typename = 'TimeCondition',
   });
 
   factory Fragment$Condition$$TimeCondition.fromJson(
@@ -417,7 +417,7 @@ class Fragment$AndCondition implements Fragment$Condition$$AndCondition {
     required this.left,
     required this.right,
     required this.name,
-    required this.$__typename,
+    this.$__typename = 'AndCondition',
   });
 
   factory Fragment$AndCondition.fromJson(Map<String, dynamic> json) {
@@ -842,7 +842,7 @@ class Fragment$CompositeCondition$$AndCondition
     required this.left,
     required this.right,
     required this.name,
-    required this.$__typename,
+    this.$__typename = 'AndCondition',
   });
 
   factory Fragment$CompositeCondition$$AndCondition.fromJson(
@@ -1030,7 +1030,7 @@ class Fragment$CompositeCondition$$TimeCondition
         Fragment$CompositeCondition {
   Fragment$CompositeCondition$$TimeCondition({
     required this.name,
-    required this.$__typename,
+    this.$__typename = 'TimeCondition',
     required this.before,
   });
 
@@ -1346,7 +1346,7 @@ class Fragment$NonCompositeCondition$$AndCondition
         Fragment$NonCompositeCondition {
   Fragment$NonCompositeCondition$$AndCondition({
     required this.name,
-    required this.$__typename,
+    this.$__typename = 'AndCondition',
   });
 
   factory Fragment$NonCompositeCondition$$AndCondition.fromJson(
@@ -1477,7 +1477,7 @@ class Fragment$NonCompositeCondition$$TimeCondition
         Fragment$NonCompositeCondition {
   Fragment$NonCompositeCondition$$TimeCondition({
     required this.name,
-    required this.$__typename,
+    this.$__typename = 'TimeCondition',
     required this.before,
   });
 
@@ -1625,7 +1625,7 @@ class _CopyWithStubImpl$Fragment$NonCompositeCondition$$TimeCondition<TRes>
 class Fragment$TimeCondition implements Fragment$Condition$$TimeCondition {
   Fragment$TimeCondition({
     required this.name,
-    required this.$__typename,
+    this.$__typename = 'TimeCondition',
     required this.before,
   });
 

packages/graphql_codegen/test/assets/condition_example/query.graphql.dart

@@ -4,7 +4,7 @@ import 'package:gql/ast.dart';
 class Query$FetchShouldRender {
   Query$FetchShouldRender({
     required this.shouldRender,
-    required this.$__typename,
+    this.$__typename = 'Query',
   });
 
   factory Query$FetchShouldRender.fromJson(Map<String, dynamic> json) {

packages/graphql_codegen/test/assets/copy_with/document.graphql.dart

@@ -4,7 +4,7 @@ class Query$Foobar {
   Query$Foobar({
     this.ts,
     this.tss,
-    required this.$__typename,
+    this.$__typename = 'Query',
   });
 
   factory Query$Foobar.fromJson(Map<String, dynamic> json) {
@@ -307,7 +307,7 @@ class Query$Foobar$ts {
   Query$Foobar$ts({
     this.t,
     this.name,
-    required this.$__typename,
+    this.$__typename = 'TS',
   });
 
   factory Query$Foobar$ts.fromJson(Map<String, dynamic> json) {
@@ -456,7 +456,7 @@ class _CopyWithStubImpl$Query$Foobar$ts<TRes>
 class Query$Foobar$ts$t {
   Query$Foobar$ts$t({
     this.name,
-    required this.$__typename,
+    this.$__typename = 'TS',
   });
 
   factory Query$Foobar$ts$t.fromJson(Map<String, dynamic> json) {
@@ -577,7 +577,7 @@ class _CopyWithStubImpl$Query$Foobar$ts$t<TRes>
 class Query$Foobar$tss {
   Query$Foobar$tss({
     required this.nameEnforced,
-    required this.$__typename,
+    this.$__typename = 'TS',
   });
 
   factory Query$Foobar$tss.fromJson(Map<String, dynamic> json) {

packages/graphql_codegen/test/assets/custom_enums/document_2.graphql.dart

@@ -4,7 +4,7 @@ import 'package:gql/ast.dart';
 class Query$Q {
   Query$Q({
     this.value,
-    required this.$__typename,
+    this.$__typename = 'Query',
   });
 
   factory Query$Q.fromJson(Map<String, dynamic> json) {

packages/graphql_codegen/test/assets/extends/document.graphql.dart

@@ -162,7 +162,7 @@ class Query$Q {
     this.string,
     this.$int,
     this.i,
-    required this.$__typename,
+    this.$__typename = 'Q',
   });
 
   factory Query$Q.fromJson(Map<String, dynamic> json) {
@@ -492,7 +492,7 @@ class _CopyWithStubImpl$Query$Q$i<TRes> implements CopyWith$Query$Q$i<TRes> {
 class Mutation$M {
   Mutation$M({
     this.string,
-    required this.$__typename,
+    this.$__typename = 'M',
   });
 
   factory Mutation$M.fromJson(Map<String, dynamic> json) {

packages/graphql_codegen/test/assets/fragment_and_field/document.graphql.dart

@@ -3,7 +3,7 @@ import 'package:gql/ast.dart';
 class Fragment$FPerson {
   Fragment$FPerson({
     this.age,
-    required this.$__typename,
+    this.$__typename = 'Person',
   });
 
   factory Fragment$FPerson.fromJson(Map<String, dynamic> json) {
@@ -153,7 +153,7 @@ const documentNodeFragmentFPerson = DocumentNode(definitions: [
 class Query$Q {
   Query$Q({
     this.person,
-    required this.$__typename,
+    this.$__typename = 'Query',
   });
 
   factory Query$Q.fromJson(Map<String, dynamic> json) {
@@ -456,7 +456,7 @@ class Query$Q$person$$Person implements Fragment$FPerson, Query$Q$person {
   Query$Q$person$$Person({
     this.name,
     this.age,
-    required this.$__typename,
+    this.$__typename = 'Person',
   });
 
   factory Query$Q$person$$Person.fromJson(Map<String, dynamic> json) {