class RuboCop::Cop::Style::MapCompactWithConditionalBlock

def range(node)
  buffer = node.loc.expression.source_buffer
  map_node = node.receiver.send_node
  begin_pos = map_node.loc.selector.begin_pos
  end_pos = node.loc.expression.end_pos
  Parser::Source::Range.new(buffer, begin_pos, end_pos)
end