Module:Switch

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

--Replaces the inneficient {{#switch }} parser function
--Syntax - {{#invoke:switch|main|var=option|caseX=3|abc=z}} where option is any string to match 
--and caseX any key-value pairs
--Syntax2  {{#invoke:switch|main|2|abc|bcd|222}} -> bcd
local p = {}

function p.main(frame)
    local  tArgLang = frame.args
    return p.switch(tArgLang)
end

function p.switch(tArgs)
    if tArgs and tArgs[1] then
        local sCase = tArgs[1]
        if tonumber(sCase) then
            sCase = tonumber(sCase)+1
        end
        return mw.getCurrentFrame():preprocess(tArgs[sCase] or "") 
    end
end   

return p