react-smooth-carousel-dots/src/use-previous.js

Custom Carousel Dots component to plug in to any your Carousels.

import { useRef, useEffect } from "react"

function usePrevious(value) {
  const ref = useRef()

  useEffect(() => {
    ref.current = value
  }, [value])

  return ref.current
}

export default usePrevious