class RuboCop::Cop::Performance::RedundantEqualityComparisonBlock

def on_block(node)
  return unless TARGET_METHODS.include?(node.method_name)
  return unless one_block_argument?(node.arguments)
  block_argument = node.first_argument
  return unless (block_body = node.body)
  return unless use_equality_comparison_block?(block_body)
  return if same_block_argument_and_is_a_argument?(block_body, block_argument)
  return unless (new_argument = new_argument(block_argument, block_body))
  range = offense_range(node)
  prefer = "#{node.method_name}(#{new_argument})"
  add_offense(range, message: format(MSG, prefer: prefer)) do |corrector|
    corrector.replace(range, prefer)
  end
end