useIntersectionAnimation

Tracks section visibility via IntersectionObserver and updates the current index for deck-style navigation.

Usage

useIntersectionAnimation({
  sectionsRef,
  currentIndexRef,
  setCurrentIndex,
  isScrollingRef,
  threshold: 0.4,
})

npx visor add use-intersection-animation

Name	Type	Required	Default	Description
`sectionsRef`	`React.RefObject<HTMLElement[]>`	Yes	--	Ref to an array of section elements to observe.
`currentIndexRef`	`React.MutableRefObject<number>`	Yes	--	Mutable ref holding the current visible section index.
`setCurrentIndex`	`(index: number) => void`	Yes	--	State setter called when the visible section changes.
`isScrollingRef`	`React.MutableRefObject<boolean>`	No	--	Ref indicating programmatic scrolling is in progress; suppresses index updates when true.
`threshold`	`number`	No	`0.4`	IntersectionObserver visibility threshold (0 to 1).

This hook does not return a value.