Function extractFields

packages/plugins/graphql/src/sdk/extract.ts:177–211

(
  _schema: IntrospectionSchema,
  kind: GraphqlOperationKind,
  typeName: string | null | undefined,
  types: ReadonlyMap<string, IntrospectionType>,
)

// ---------------------------------------------------------------------------

const extractFields = (
  _schema: IntrospectionSchema,
  kind: GraphqlOperationKind,
  typeName: string | null | undefined,
  types: ReadonlyMap<string, IntrospectionType>,
): ExtractedField[] => {
  if (!typeName) return [];

  const type = types.get(typeName);
  if (!type?.fields) return [];

  return type.fields
    .filter((f) => !f.name.startsWith("__"))
    .map((field) => {
      const args = field.args.map((arg) =>
        GraphqlArgument.make({
          name: arg.name,
          typeName: formatTypeRef(arg.type),
          required: isNonNull(arg.type),
          description: arg.description ? Option.some(arg.description) : Option.none(),
        }),
      );

      const inputSchema = buildInputSchema(field.args, types);

      return ExtractedField.make({
        fieldName: field.name,
        kind,
        description: field.description ? Option.some(field.description) : Option.none(),
        arguments: args,
        inputSchema: inputSchema ? Option.some(inputSchema) : Option.none(),
        returnTypeName: unwrapTypeName(field.type),
      });
    });
};

// ---------------------------------------------------------------------------
// Public API