class Rufo::Formatter

def visit_q_or_i_array(node)
  _, elements = node
  # For %W it seems elements appear inside other arrays
  # for some reason, so we flatten them
  if elements[0].is_a?(Array) && elements[0][0].is_a?(Array)
    elements = elements.flat_map { |x| x }
  end
  write current_token_value.strip
  # If there's a newline after `%w(`, write line and indent
  if current_token_value.include?("\n") && elements
    write_line
    write_indent(next_indent)
  end
  next_token
  if elements
    elements.each_with_index do |elem, i|
      if elem[0] == :@tstring_content
        # elem is [:@tstring_content, string, [1, 5]
        write elem[1].strip
        next_token
      else
        visit elem
      end
      if !last?(i, elements) && current_token_kind == :on_words_sep
        # On a newline, write line and indent
        if current_token_value.include?("\n")
          next_token
          write_line
          write_indent(next_indent)
        else
          next_token
          write_space " "
        end
      end
    end
  end
  has_newline = false
  last_token  = nil
  while current_token_kind == :on_words_sep
    has_newline ||= current_token_value.include?("\n")
    unless current_token[2].strip.empty?
      last_token = current_token
    end
    next_token
  end
  if has_newline
    write_line
    write_indent(next_indent)
  end
  if last_token
    write last_token[2].strip
  else
    write current_token_value.strip
    next_token
  end
end