Module:Yesno

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This is a meta module.

This module is meant to be used only by other modules. It should not be invoked in wikitext.

This module was adapted from Module:Yesno on Wikipedia.
Adaptation is noted for reference and attribution only. This module may differ from the original in function or in usage. The documentation on Wikipedia may be helpful in understanding this module.

The above documentation is transcluded from Module:Yesno/doc. (edit | history)
Editors can experiment in this module's sandbox (create | mirror) and testcases (create) pages.
Subpages of this module.

-- This is a simplified, Lua-only replacement for the template {{yesno}}. It provides a consistent
-- interface for users entering boolean or boolean-style input.
return function (val, default)
    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
        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