class RuboCop::Cop::Style::WordArray

which do not want to include that syntax.
Alternatively, it can check for uses of the %w() syntax, in projects
strings, that are not using the %w() syntax.
This cop can check for array literals made up of word-like

def autocorrect(node) 

def autocorrect(node)
  words = node.children
  if style == :percent
    escape = words.any? { |w| needs_escaping?(w.children[0]) }
    char = escape ? 'W' : 'w'
    contents = autocorrect_words(words, escape, node.loc.line)
    lambda do |corrector|
      corrector.replace(node.source_range, "%#{char}(#{contents})")
    end
  else
    words = words.map { |w| to_string_literal(w.children[0]) }
    lambda do |corrector|
      corrector.replace(node.source_range, "[#{words.join(', ')}]")
    end
  end
end

def autocorrect_words(word_nodes, escape, base_line_number) 

def autocorrect_words(word_nodes, escape, base_line_number)
  previous_node_line_number = base_line_number
  word_nodes.map do |node|
    number_of_line_breaks = node.loc.line - previous_node_line_number
    line_breaks = "\n" * number_of_line_breaks
    previous_node_line_number = node.loc.line
    content = node.children[0]
    content = escape ? escape_string(content) : content
    content.gsub!(/\)/, '\\)')
    line_breaks + content
  end.join(' ')
end

def check_bracketed(node) 

def check_bracketed(node)
  array_elems = node.children
  return if complex_content?(array_elems) ||
            comments_in_array?(node)
  style_detected(:brackets, array_elems.size)
  if style == :percent && array_elems.size >= min_size
    add_offense(node, :expression, PERCENT_MSG)
  end
end

def check_percent(node) 

def check_percent(node)
  array_elems = node.children
  style_detected(:percent, array_elems.size)
  add_offense(node, :expression, ARRAY_MSG) if style == :brackets
end

def comments_in_array?(node) 

def comments_in_array?(node)
  comments = processed_source.comments
  array_range = node.source_range.to_a
  comments.any? do |comment|
    !(comment.loc.expression.to_a & array_range).empty?
  end
end

def complex_content?(strings) 

def complex_content?(strings)
  strings.any? do |s|
    string = s.str_content
    !string.valid_encoding? || string !~ word_regex || string =~ / /
  end
end

def largest_brackets_size(style, ary_size) 

def largest_brackets_size(style, ary_size)
  @largest_brackets ||= -Float::INFINITY
  if style == :brackets && ary_size > @largest_brackets
    @largest_brackets = ary_size
  end
  @largest_brackets
end

def min_size 

def min_size
  cop_config['MinSize']
end

def on_array(node) 

def on_array(node)
  if bracketed_array_of?(:str, node)
    check_bracketed(node)
  elsif percent_syntax?(node)
    check_percent(node)
  end
end

def percent_syntax?(node) 

def percent_syntax?(node)
  node.loc.begin && node.loc.begin.source =~ /\A%[wW]/
end

def smallest_percent_size(style, ary_size) 

def smallest_percent_size(style, ary_size)
  @smallest_percent ||= Float::INFINITY
  if style == :percent && ary_size < @smallest_percent
    @smallest_percent = ary_size
  end
  @smallest_percent
end

def style 

def style
  cop_config['EnforcedStyle'].to_sym
end

def style_detected(style, ary_size) 

def style_detected(style, ary_size)
  cfg = config_to_allow_offenses
  return if cfg['Enabled'] == false
  largest_brackets = largest_brackets_size(style, ary_size)
  smallest_percent = smallest_percent_size(style, ary_size)
  if cfg['EnforcedStyle'] == style.to_s
    # do nothing
  elsif cfg['EnforcedStyle'].nil?
    cfg['EnforcedStyle'] = style.to_s
  elsif smallest_percent <= largest_brackets
    self.config_to_allow_offenses = { 'Enabled' => false }
  else
    cfg['EnforcedStyle'] = 'percent'
    cfg['MinSize'] = largest_brackets + 1
  end
end

def word_regex 

def word_regex
  cop_config['WordRegex']
end