class RuboCop::Cop::Style::InfiniteLoop

def modifier_replacement(node)
  if node.single_line?
    'loop { ' + node.body.source + ' }'
  else
    indentation = node.body.loc.expression.source_line[LEADING_SPACE]
    ['loop do', node.body.source.gsub(/^/, configured_indent),
     'end'].join("\n#{indentation}")
  end
end