export type ReactRef = React.RefCallback | React.MutableRefObject export function assignRef( ref: ReactRef | null | undefined, value: T, ) { if (ref == null) return if (typeof ref === "function") { ref(value) return } try { ref.current = value } catch (error) { throw new Error(`Cannot assign value '${value}' to ref '${ref}'`) } } export function mergeRefs(...refs: (ReactRef | null | undefined)[]) { return (node: T | null) => { refs.forEach((ref) => { assignRef(ref, node) }) } }