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fix(usePrevious): opt out usePrevious hook from React Compiler #379

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fix(usePrevious): opt out usePrevious hook from React Compiler #379

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4d6c2b5
fix(usePrevious): opt out `usePrevious` hook from React Compiler
lumirlumir May 17, 2026
cfd56fd
Opt out `usePrevious` hook from React Compiler
lumirlumir May 17, 2026
dea2eed
Update comment in usePrevious hook
lumirlumir May 17, 2026
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5 changes: 5 additions & 0 deletions .changeset/cool-spies-change.md
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Original file line number Diff line number Diff line change
@@ -0,0 +1,5 @@
---
'react-simplikit': patch
---

fix(usePrevious): opt out `usePrevious` hook from React Compiler
4 changes: 4 additions & 0 deletions packages/core/src/hooks/usePrevious/usePrevious.ts
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Expand Up @@ -21,6 +21,10 @@ const strictEquals = <T>(prev: T, next: T) => prev === next;
* const previousCount = usePrevious(count);
*/
export function usePrevious<T>(state: T, compare: (prev: T, next: T) => boolean = strictEquals): T {
// Without `'use no memo'`, React Compiler throws when `panicThreshold` is not `'none'`
// because this hook intentionally reads and updates refs during render.
'use no memo';

const prevRef = useRef<T>(state);
const currentRef = useRef<T>(state);
const isFirstRender = useRef<boolean>(true);
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