class RuboCop::Cop::Rails::RequestReferer

request.referrer
# good
request.referer
# bad
@example EnforcedStyle: referrer
request.referer
# good
request.referrer
# bad
@example EnforcedStyle: referer (default)
‘request.referrer`, depending on the cop’s configuration.
Checks for consistent uses of ‘request.referer` or

def message(_range) 

def message(_range)
  format(MSG, prefer: style, current: wrong_method_name)
end

def on_send(node) 

def on_send(node)
  referer?(node) do
    return unless node.method?(wrong_method_name)
    add_offense(node) do |corrector|
      corrector.replace(node, "request.#{style}")
    end
  end
end

def wrong_method_name 

def wrong_method_name
  style == :referer ? :referrer : :referer
end