From 9fb56a32e13e1d6405d4f77aad3c7f2379d7d156 Mon Sep 17 00:00:00 2001 From: Junseong Park Date: Sat, 30 Mar 2024 17:49:47 +0900 Subject: [PATCH] fix: typo in `02.state-optimization/README.mdx` Fix bug where `setState` does not return a new state. --- exercises/02.state-optimization/README.mdx | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/exercises/02.state-optimization/README.mdx b/exercises/02.state-optimization/README.mdx index 9ede71c9..36ba1407 100644 --- a/exercises/02.state-optimization/README.mdx +++ b/exercises/02.state-optimization/README.mdx @@ -18,9 +18,9 @@ const [state, setState] = useState({ count: 0 }) // ... setState({ count: 0 }) // <-- will trigger a rerender -setState(previousState => { +setState(previousState => ({ count: previousState.count -}) // <-- will trigger a rerender +})) // <-- will trigger a rerender setState(previousState => previousState) // <-- will not trigger a rerender ```