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- import { Ref, useCallback } from 'react'
- type PossibleRef<T> = Ref<T> | undefined
- /**
- * Set a given ref to a given value
- * This utility takes care of different types of refs: callback refs and RefObject(s)
- */
- function setRef<T>(ref: PossibleRef<T>, value: T) {
- if (typeof ref === 'function') {
- ref(value)
- } else if (ref !== null && ref !== undefined) {
- ;(ref as React.MutableRefObject<T>).current = value
- }
- }
- /**
- * A utility to compose multiple refs together
- * Accepts callback refs and RefObject(s)
- */
- export function composeRefs<T>(...refs: PossibleRef<T>[]) {
- return (node: T) => refs.forEach((ref) => setRef(ref, node))
- }
- /**
- * A custom hook that composes multiple refs
- * Accepts callback refs and RefObject(s)
- */
- export function useComposedRefs<T>(...refs: PossibleRef<T>[]) {
- // eslint-disable-next-line react-hooks/exhaustive-deps
- return useCallback(composeRefs(...refs), refs)
- }
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