Module:Used by/Sandbox

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Documentation for this module may be created at Module:Used by/Sandbox/doc

local p = {}

function common_string(args)
  return mw.getCurrentFrame():expandTemplate{title='Common string', args=args}
end

function p.classes(frame)
    local first = nil
    local count = -1
    local args = frame.args
    for arg in pairs(args) do
        first = first or arg
        count = count + 1 
    end
    if first == nil then
        args = frame:getParent().args
        for arg in pairs(args) do
            first = first or arg
            count = count + 1
        end
    end
  
    assert(false, 'First:' .. first)
    count = count - 1
    if first == 'all' then
        return common_string{'infobox-used-by-all'}
    elseif first == 'all-except' then
        return common_string{'infobox-used-by-all-except-' .. count, unpack(args)}
    else
        return common_string{'infobox-used-by-' .. count, unpack(args)}
    end
end

return p