Difference between revisions of "Module:Yesno"

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>Mr. Stradivarius
(return nil values as nil)
>Mr. Stradivarius
(stop making the default "default" value true, as we run into problems if you need to distinguish between false and nil)
Line 9: Line 9:
     elseif val == true or val == 'yes' or val == 'y' or val == 'true' or tonumber(val) == 1 then
     elseif val == true or val == 'yes' or val == 'y' or val == 'true' or tonumber(val) == 1 then
         return true
         return true
     elseif default ~= nil then
     else
         return default
         return default
    else
        return true
     end
     end
end
end

Revision as of 13:21, 26 September 2013

Documentation for this module may be created at Module:Yesno/doc

-- Function allowing for consistent treatment of boolean-like wikitext input.
-- It works similarly to the template {{yesno}}.
return function (val, default)
    val = type(val) == 'string' and mw.ustring.lower(val) or val -- put in lower case
    if val == nil then
        return nil
    elseif val == false or val == 'no' or val == 'n' or val == 'false' or tonumber(val) == 0 then
        return false
    elseif val == true or val == 'yes' or val == 'y' or val == 'true' or tonumber(val) == 1 then
        return true
    else
        return default
    end
end