Module:Yesno: Difference between revisions

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(Created page with "--[[ {{Helper module|name=Yesno |fname1=(arg) |ftype1=Any value |fuse1=Reads arg for yes/no and returns the appropriate boolean or nil |fname2=(arg1,arg2) |ftype2=Any value, Any value |fuse2=Reads arg1 for yes/no and returns the appropriate boolean; returns arg2 if arg1 was not an applicable value }} --]] -- <pre> -- Used to evaluate args to booleans where applicable -- -- Based on <https://en.wikipedia.org/wiki/Module:Yesno> -- see page history there for contributors --...")
(Bawolff changed the content model of the page Module:Yesno from "wikitext" to "Scribunto")
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Latest revision as of 18:15, 4 October 2022

Module documentation
This documentation is transcluded from Module:Yesno/doc. [edit] [history] [purge]

This module is a helper module to be used by other modules; it may not be designed to be invoked directly. See Near-Reality:Lua/Helper modules for a full list and more information.

ModuleFunctionTypeUse
Yesno(arg)Any valueReads arg for yes/no and returns the appropriate boolean or nil
(arg1,arg2)Any value, Any valueReads arg1 for yes/no and returns the appropriate boolean; returns arg2 if arg1 was not an applicable value

--[[
{{Helper module|name=Yesno
|fname1=(arg)
|ftype1=Any value
|fuse1=Reads arg for yes/no and returns the appropriate boolean or nil
|fname2=(arg1,arg2)
|ftype2=Any value, Any value
|fuse2=Reads arg1 for yes/no and returns the appropriate boolean; returns arg2 if arg1 was not an applicable value
}}
--]]
-- <pre>
-- Used to evaluate args to booleans where applicable
--
-- Based on <https://en.wikipedia.org/wiki/Module:Yesno>
-- see page history there for contributors
--

return function( arg, default )
    arg = type( arg ) == 'string' and mw.ustring.lower( arg ) or arg

    if arg == nil then
        return nil
    end

    if
        arg == true or
        arg == 'yes' or
        arg == 'y' or
        arg == 'true' or
        tonumber( arg ) ==  1
    then
        return true
    end

    if
        arg == false or
        arg == 'no' or
        arg == 'n' or
        arg == 'false' or
        tonumber( arg ) == 0
    then
        return false
    end

    return default
end