[core] Document a bit useLazyRef

A follow-up on #9712 (comment).
mui · Aug 20, 2023 · b9018a4 · b9018a4
1 parent 63df29a
commit b9018a4
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/packages/grid/x-data-grid/src/hooks/utils/useLazyRef.ts b/packages/grid/x-data-grid/src/hooks/utils/useLazyRef.ts
@@ -2,6 +2,7 @@ import * as React from 'react';
 
 const UNINITIALIZED = {};
 
+// See https://github.com/facebook/react/issues/14490 for when to use this.
 export function useLazyRef<T, U>(init: (arg?: U) => T, initArg?: U) {
   const ref = React.useRef(UNINITIALIZED as unknown as T);