Module:Yesno

-- Function allowing for consistent treatment of boolean-like wikitext input. -- It works similarly to the template {{safesubst:#switch: ¬

|no
|n
|false
|f
|否
|0        = 
|         = 
|¬        = 
|yes
|y
|true
|t
|是
|1        = yes
|#default = yes

}}.

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 == 't' or val == 'on' or val == '是' or val == '开' or val == '開' or tonumber(val) == 1 then return true elseif val == false or val == 'no' or val == 'n' or val == 'false' or val == 'f' or val == 'off' or val == '否' or val == '关' or val == '關' or tonumber(val) == 0 then return false else return default end end