Deep Copy

local function validator(args)
    for i = 1, #args do
        if type(args[i]) ~= 'table' then
            return false
        end
    end
    return true
end

local function getInputTbls(args, key)
    local inputTbls = {}

    for i=1, #args do
        local nextVal = args[i][key]
        if nextVal and type(nextVal) == 'table' then
            table.insert(inputTbls, nextVal)
        end
    end

    return inputTbls
end

local function deepCopy(...)
    local args = {...}
    if not validator(args) then
        return {}
    end

    local newTbl = {}

    for i = #args, 1, -1 do
        for key, val in pairs(args[i]) do
            if not newTbl[key] then
                local inputTbls = getInputTbls(args, key)
                if type(val) == 'table' then
                    newTbl[key] = deepCopy(unpack(inputTbls))
                else
                    newTbl[key] = val
                end
            end
        end
    end

    return newTbl
end

return deepCopy