Yesno

Документацію для цього модуля можна створити у Модуль:Yesno/документація

-- Function allowing for consistent treatment of boolean-like wikitext input.
-- It works similarly to the template {{yesno}}.

return function (val, default)
	-- If your wiki uses non-ascii characters for any of "yes", "no", etc., you
	-- should replace "val:lower()" with "mw.ustring.lower(val)" in the
	-- following line.
	val = type(val) == 'string' and val:lower() or val
  if val == nil then
		return nil
  elseif val == true 
	or val == 'yes'
	or val == 'y'
	or val == 'true'
	or val == 'так'
	or tonumber(val) == 1
    then return true
  elseif val == false
    or val == 'no'
    or val == 'n'
    or val == 'false'
    or val == 'f'
    or val == 'ні'
    or tonumber(val) == 0
      then return false
      else return default
  end
end