local __TS__ArrayFrom
do
    local function arrayLikeStep(self, index)
        index = index + 1
        if index > self.length then
            return
        end
        return index, self[index]
    end
    local function arrayLikeIterator(arr)
        if type(arr.length) == "number" then
            return arrayLikeStep, arr, 0
        end
        return __TS__Iterator(arr)
    end
    function __TS__ArrayFrom(arrayLike, mapFn, thisArg)
        local result = {}
        if mapFn == nil then
            for ____, v in arrayLikeIterator(arrayLike) do
                result[#result + 1] = v
            end
        else
            local i = 0
            for ____, v in arrayLikeIterator(arrayLike) do
                local ____mapFn_3 = mapFn
                local ____thisArg_1 = thisArg
                local ____v_2 = v
                local ____i_0 = i
                i = ____i_0 + 1
                result[#result + 1] = ____mapFn_3(____thisArg_1, ____v_2, ____i_0)
            end
        end
        return result
    end
end