use-lazy-ref

1import * as React from "react";
2 
3function useLazyRef<T>(fn: () => T) {
4  const ref = React.useRef<T | null>(null);
5 
6  if (ref.current === null) {
7    ref.current = fn();
8  }
9 
10  return ref as React.RefObject<T>;
11}
12 
13export { useLazyRef };