Method: GraphQL::Execution::Interpreter::Runtime#evaluate_selection

Defined in:

lib/graphql/execution/interpreter/runtime.rb

#evaluate_selection(result_name, field_ast_nodes_or_ast_node, selections_result) ⇒ void

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

This method returns an undefined value.

# File 'lib/graphql/execution/interpreter/runtime.rb', line 340

def evaluate_selection(result_name, field_ast_nodes_or_ast_node, selections_result) # rubocop:disable Metrics/ParameterLists
  return if selections_result.graphql_dead
  # As a performance optimization, the hash key will be a `Node` if
  # there's only one selection of the field. But if there are multiple
  # selections of the field, it will be an Array of nodes
  if field_ast_nodes_or_ast_node.is_a?(Array)
    field_ast_nodes = field_ast_nodes_or_ast_node
    ast_node = field_ast_nodes.first
  else
    field_ast_nodes = nil
    ast_node = field_ast_nodes_or_ast_node
  end
  field_name = ast_node.name
  owner_type = selections_result.graphql_result_type
  field_defn = query.types.field(owner_type, field_name)

  # Set this before calling `run_with_directives`, so that the directive can have the latest path
  runtime_state = get_current_runtime_state
  runtime_state.current_field = field_defn
  runtime_state.current_result = selections_result
  runtime_state.current_result_name = result_name

  owner_object = selections_result.graphql_application_value
  if field_defn.dynamic_introspection
    owner_object = field_defn.owner.wrap(owner_object, context)
  end

  if !field_defn.any_arguments?
    resolved_arguments = GraphQL::Execution::Interpreter::Arguments::EMPTY
    if field_defn.extras.size == 0
      evaluate_selection_with_resolved_keyword_args(
        NO_ARGS, resolved_arguments, field_defn, ast_node, field_ast_nodes, owner_object, result_name, selections_result, runtime_state
      )
    else
      evaluate_selection_with_args(resolved_arguments, field_defn, ast_node, field_ast_nodes, owner_object, result_name, selections_result, runtime_state)
    end
  else
    @query.arguments_cache.dataload_for(ast_node, field_defn, owner_object) do |resolved_arguments|
      runtime_state = get_current_runtime_state # This might be in a different fiber
      evaluate_selection_with_args(resolved_arguments, field_defn, ast_node, field_ast_nodes, owner_object, result_name, selections_result, runtime_state)
    end
  end
end