Difference between revisions of "Module:Yesno"

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(change to a simpler Lua-only version)
(return nil values as nil)
Line 1: Line 1:
-- This is a simplified, Lua-only replacement for the template {{yesno}}. It provides a consistent
+
-- Function allowing for consistent treatment of boolean-like wikitext input.
-- interface for users entering boolean or boolean-style input.
+
-- It works similarly to the template {{yesno}}.
 
return function (val, default)
 
return function (val, default)
 
     val = type(val) == 'string' and mw.ustring.lower(val) or val -- put in lower case
 
     val = type(val) == 'string' and mw.ustring.lower(val) or val -- put in lower case
     if not val or val == 'no' or val == 'n' or val == 'false' or tonumber(val) == 0 then
+
     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
 
         return false
 
     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

Revision as of 12:01, 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
    elseif default ~= nil then
        return default
    else
        return true
    end
end