module RuboCop::NameSimilarity

def find_similar_name(target_name, names)
  similar_names = find_similar_names(target_name, names)
  similar_names.first
end

def find_similar_names(target_name, names)
  # DidYouMean::SpellChecker is not available in all versions of Ruby, and
  # even on versions where it *is* available (>= 2.3), it is not always
  # required correctly. So we do a feature check first.
  # See: https://github.com/rubocop/rubocop/issues/7979
  return [] unless defined?(DidYouMean::SpellChecker)
  names = names.dup
  names.delete(target_name)
  spell_checker = DidYouMean::SpellChecker.new(dictionary: names)
  spell_checker.correct(target_name)
end