class GraphQL::Query::SerialExecution::SelectionResolution

def applies_to_type?(irep_node, current_type)
  irep_node.definitions.any? { |potential_type, field_defn|
    GraphQL::Execution::Typecast.compatible?(current_type, potential_type, execution_context.query.context)
  }
end

def initialize(target, type, irep_node, execution_context)
  @target = target
  @type = type
  @irep_node = irep_node
  @execution_context = execution_context
end

def result
  irep_node.children.each_with_object({}) do |(name, irep_node), memo|
    if GraphQL::Execution::DirectiveChecks.include?(irep_node, execution_context.query) && applies_to_type?(irep_node, type)
      field_result = execution_context.strategy.field_resolution.new(
        irep_node,
        type,
        target,
        execution_context
      ).result
      memo.merge!(field_result)
    end
  end
end