class RuboCop::Cop::Style::Strip

‘abc’.strip
# good
’abc’.rstrip.lstrip
’abc’.lstrip.rstrip
# bad
@example
`strip`.
Identifies places where ‘lstrip.rstrip` can be replaced by

def on_send(node) 

def on_send(node)
  lstrip_rstrip(node) do |first_send, method_one, method_two|
    range = range_between(first_send.loc.selector.begin_pos, node.source_range.end_pos)
    message = format(MSG, methods: "#{method_one}.#{method_two}")
    add_offense(range, message: message) do |corrector|
      corrector.replace(range, 'strip')
    end
  end
end