add interfaces to InterfaceTypeDefinitionNode (gql-dart#269)

juancastillo0 · Oct 25, 2021 · fa112de · fa112de
1 parent d576118
commit fa112de
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diff --git a/gql/lib/src/ast/ast.dart b/gql/lib/src/ast/ast.dart
@@ -811,11 +811,13 @@ class InputValueDefinitionNode extends Node {
 
 class InterfaceTypeDefinitionNode extends TypeDefinitionNode {
   final List<FieldDefinitionNode> fields;
+  final List<NamedTypeNode> interfaces;
 
   const InterfaceTypeDefinitionNode({
     this.fields = const [],
     StringValueNode? description,
     required NameNode name,
+    this.interfaces = const [],
     List<DirectiveNode> directives = const [],
     FileSpan? span,
   }) : super(
@@ -833,6 +835,7 @@ class InterfaceTypeDefinitionNode extends TypeDefinitionNode {
         name,
         description,
         directives,
+        interfaces,
         fields,
       ];
 }

diff --git a/gql/lib/src/language/parser.dart b/gql/lib/src/language/parser.dart
@@ -740,12 +740,14 @@ class _Parser {
     final description = _parseDescription();
     _expectKeyword("interface");
     final name = _parseName("Expected an interface name");
+    final interfaces = _parseImplementsInterfaces();
     final directives = _parseDirectives(isConst: true);
     final fields = _parseFieldsDefinition();
 
     return InterfaceTypeDefinitionNode(
       description: description,
       name: name,
+      interfaces: interfaces,
       directives: directives,
       fields: fields,
     );

diff --git a/gql/lib/src/language/printer.dart b/gql/lib/src/language/printer.dart
@@ -435,6 +435,7 @@ class _PrintVisitor extends Visitor<String> {
         " ",
         node.name.accept(this),
         " ",
+        visitImplementsSetNode(node.interfaces),
         visitDirectiveSetNode(node.directives),
         visitFieldSetNode(node.fields),
       ].join();