Function useAtomRef

packages/atom/react/src/Hooks.ts:437–441

(ref: AtomRef.ReadonlyRef<A>)

 * @since 4.0.0
 */
export const useAtomRef = <A>(ref: AtomRef.ReadonlyRef<A>): A => {
  const [, setValue] = React.useState(ref.value)
  React.useEffect(() => ref.subscribe(setValue), [ref])
  return ref.value
}

/**
 * Returns a memoized atom ref for a property of another atom ref.