visitFieldNode method

@override FieldNode visitFieldNode(FieldNode node)

appends type name to OperationDefinitionNode

Implementation

@override
FieldNode visitFieldNode(FieldNode node) {
  if (node.selectionSet == null) {
    return node;
  }

  return FieldNode(
    name: node.name,
    alias: node.alias,
    arguments: node.arguments,
    directives: node.directives,
    span: node.span,
    selectionSet: SelectionSetNode(
      selections: <SelectionNode>[
        ...node.selectionSet?.selections.where((element) =>
                (element is! FieldNode) ||
                (element.name.value != typeName)) ??
            [],
        FieldNode(name: NameNode(value: typeName)),
      ],
    ),
  );
}