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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 | 56x 56x 56x 56x 26x 13x | import { useEffect, useMemo, useRef } from "react";
/**
* Returns a stable function that always invokes the *latest* `callback`.
*
* Lets the disclosure handlers keep a permanent identity (safe as props / effect
* deps) while still calling the freshest `onOpen` / `onClose` the consumer
* passed. The stored ref is updated in an effect (not during render), keeping it
* concurrent-mode / StrictMode safe.
*/
export function useCallbackRef<Args extends unknown[], Return>(
callback: ((...args: Args) => Return) | undefined
): (...args: Args) => Return | undefined {
const callbackRef = useRef(callback);
useEffect(() => {
callbackRef.current = callback;
});
return useMemo(
() =>
(...args: Args) =>
callbackRef.current?.(...args),
[]
);
}
|