Getting currentPageIndex in svelte 4

[karthikajjan]

Uncaught (in promise) ReferenceError: currentPageIndex is not defined

below is info in vs code
let:currentPageIndex declared on parent component cannot be used inside named slotsvelte(missing-declaration)

[h-sumiya]

use instead

<script>
    import Carousel from "svelte-carousel";
    let index = 0;
</script>

<Carousel
    on:pageChange={(e) => index = e.detail}
>
</Carousel>