module RuboCop::RSpec::BlankLineSeparation

def autocorrect(node)
  lambda do |corrector|
    missing_separating_line(node) do |location|
      corrector.insert_after(location.end, "\n")
    end
  end
end

def last_child?(node)
  return true unless node.parent && node.parent.begin_type?
  node.equal?(node.parent.children.last)
end

def missing_separating_line(node)
  line = final_end_location(node).line
  line += 1 while comment_line?(processed_source[line])
  return if processed_source[line].blank?
  yield offending_loc(line)
end

def offending_loc(last_line)
  offending_line = processed_source[last_line - 1]
  content_length = offending_line.lstrip.length
  start          = offending_line.length - content_length
  source_range(processed_source.buffer, last_line, start, content_length)
end