class RuboCop::Cop::Style::NegatedIfElseCondition

def correct_negated_condition(corrector, node)
  receiver, method_name, rhs = *node
  replacement =
    if node.negation_method?
      receiver.source
    else
      inverted_method = method_name.to_s.sub('!', '=')
      "#{receiver.source} #{inverted_method} #{rhs.source}"
    end
  corrector.replace(node, replacement)
end