usePresenceData
The nearest AnimatePresence's custom, as an accessor: undefined outside one. For a child that shows what the presence was given, such as the direction a carousel is moving in; a leaving element's own exit gets it through a function variant's custom. Motion's usePresenceData.
import { usePresenceData } from "@wardic/solid" // or "@wardic/solid/unstable/v2"
const direction = usePresenceData<1 | -1>()
<p>{direction() === -1 ? "Back" : "Next"}</p>