class RuboCop::Cop::LineBreakCorrector

def break_line_before(range:, node:, corrector:, indent_steps: 1,
                      configured_width:)
  corrector.insert_before(
    range,
    "\n" + ' ' * (node.loc.keyword.column +
                  indent_steps * configured_width)
  )
end

def correct_trailing_body(configured_width:, corrector:, node:,
                          processed_source:)
  @processed_source = processed_source
  range = first_part_of(node.to_a.last)
  eol_comment = end_of_line_comment(node.source_range.line)
  break_line_before(range: range, node: node, corrector: corrector,
                    configured_width: configured_width)
  move_comment(eol_comment: eol_comment, node: node,
               corrector: corrector)
  remove_semicolon(node, corrector)
end

def move_comment(eol_comment:, node:, corrector:)
  return unless eol_comment
  text = eol_comment.loc.expression.source
  corrector.insert_before(node.source_range,
                          text + "\n" + (' ' * node.loc.keyword.column))
  corrector.remove(eol_comment.loc.expression)
end

def remove_semicolon(node, corrector)
  return unless semicolon(node)
  corrector.remove(semicolon(node).pos)
end

def semicolon(node)
  @semicolon ||= {}
  @semicolon[node.object_id] ||= tokens(node).find(&:semicolon?)
end