Difference between revisions of "Module:Yesno"

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(use the Lua string.lower function instead of mw.ustring.lower; this makes the function around 25x faster)
m (Protected Module:Yesno: Widely used: used on 23,747,294 pages ([Edit=Allow only administrators] (indefinite) [Move=Allow only administrators] (indefinite)))
Line 1: Line 1:
 
-- Function allowing for consistent treatment of boolean-like wikitext input.
 
-- Function allowing for consistent treatment of boolean-like wikitext input.
 
-- It works similarly to the template {{yesno}}.
 
-- It works similarly to the template {{yesno}}.
 
 
return function (val, default)
 
return function (val, default)
-- If your wiki uses non-ascii characters for any of "yes", "no", etc., you
+
    val = type(val) == 'string' and mw.ustring.lower(val) or val -- put in lower case
-- should replace "val:lower()" with "mw.ustring.lower(val)" in the
+
    if val == nil then
-- following line.
+
        return nil
val = type(val) == 'string' and val:lower() or val
+
    elseif val == false or val == 'no' or val == 'n' or val == 'false' or tonumber(val) == 0 then
if val == nil then
+
        return false
return nil
+
    elseif val == true or val == 'yes' or val == 'y' or val == 'true' or tonumber(val) == 1 then
elseif val == true
+
        return true
or val == 'yes'
+
    else
or val == 'y'
+
        return default
or val == 'true'
+
    end
or tonumber(val) == 1
+
then
+
return true
+
elseif val == false
+
or val == 'no'
+
or val == 'n'
+
or val == 'false'
+
or tonumber(val) == 0
+
then
+
return false
+
else
+
return default
+
end
+
 
end
 
end

Revision as of 17:31, 21 December 2014

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