class RuboCop::Cop::Performance::MapCompact

def on_send(node)
  return unless (map_node = map_compact(node))
  compact_loc = node.loc
  range = range_between(map_node.loc.selector.begin_pos, compact_loc.selector.end_pos)
  add_offense(range) do |corrector|
    corrector.replace(map_node.loc.selector, 'filter_map')
    remove_compact_method(corrector, map_node, node, node.parent)
  end
end