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Graph/stale-state-capture

Pattern

Stale State in Closures

stale-state-capture

State updates in Zustand (and similar stores) get missed because callbacks/handlers capture earlier values, middleware isn’t intercepting set() to derive fields, or setters reference wrong state, so UI/logic observes stale or incomplete state after await.

Node Details

Public graph metadata

Updated7/30/2026

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30 linked nodes

Zustand persist middleware does not write during the test setup

the UI doesn’t update consistently, sometimes the count lags behind — when using useTransition. Tension: especially after fast re-renders or route changes. Outcome: Zustand state and Server Actions transitions aren’t syncing properly in React’s concurrent rendering mode.

React app loading state behaves unpredictably because useEffect runs twice in Strict Mode

I'm building a Next.js 14 app that uses Zustand with the persist middleware to store authentication tokens and user info. Tension: authenticated pages redirect me to /error/unauthorized. Outcome: React has detected a change in the order of Hooks...

Initializing a Zustand store with data fetched asynchronously from an API is messy when using a separate init() function, requiring extra state like isInitialized to prevent subscribers from running too early. The store creation function cannot be async, so awaiting fetches during createStore is not possible.

Using Zustand persist with a custom storage based on @tauri-apps/plugin-store causes the console error: "Unable to update item 'storage', the given storage is currently unavailable."

The imported `windowSize` from the Zustand store logs as `undefined` on the first render, but updates correctly after the browser is resized.

When using Zustand with the devtools middleware, only one store’s actions/state could be inspected at a time in browser DevTools despite creating multiple stores. Additional imports of alternative devtools middleware options did not enable multiple stores to appear.

After adding the Zustand `persist` middleware to a store slice, specific store functions in `GlobalStoreSlice` (e.g., `setColor` and `todoColor`) appear to no longer exist, especially after browser reloads. Other state not wrapped by `persist` continues to work.

A TypeScript error occurs when using Zustand's persist middleware with a custom StateCreator, stating that a StateCreator argument is not assignable to the expected StateCreator type due to mismatched $$storeMutators typing.

Updating `storagePolicySettings` in a Zustand store does not work as expected when using `set((state) => ({ ...state, storagePolicySettings }))` after fetching data.

Calling setAuthToken updates the internal value but components using authToken do not reflect the change and the UI/state appears stale.

Updating an input causes the entire React app to refresh/re-render, even though only part of the Zustand state should change.

@ts-check with Zustand slices and JSDoc does not type-check the bound store correctly

Update a Zustand store so that `lastModifiedAt` is automatically set to `Date.now()` whenever the store state changes, without manually adding it to every `set()` call.

Zustand persistence to AsyncStorage does not return the expected token value after calling setToken; the logged result includes wrapped Zustand persist metadata (state/version).

The user tries to mock a Zustand store (state values and actions) in a Jest test file but fails to override the store used by the React component. As a result, the component does not receive the mocked state/action implementations.

Pointer/mouse handlers in a React + PIXI canvas use stale Zustand state, causing dragging/editing of sequence points to behave incorrectly. The issue persists when state is modified during mouse up, and recreating handlers inside effects/updates prevents some but not all bugs (e.g., cannot drag twice).

A Zustand store value (e.g., currentUser) logs as null on first access, but becomes correct after a rerender. This suggests the expected persisted data hasn’t finished loading yet.

Storing a huge state object (e.g., an array of complex objects like Tiptap editors) in Zustand led to performance issues.

A Zustand store updates a `time` value every second via `setInterval`, but child components that consume the store do not re-render to reflect the updated time.

Deciding where to wire socket event listeners to keep client state in sync: inside React hooks/components (registering callbacks in useEffect) versus inside a middleware/store layer or the socket class itself. The question also asks about the downsides of each approach.

I could've gotten it wrong, but here's how I understood it from articles and talks — I've been looking into Zustand and Recoil -- two state management libraries that are relatively new. Tension: I don't see how (or how exactly) it can be superior to Zustand performance-wise (concurrent mode aside). Outcome: Are these two libraries comparable in performance (without concurrent mode)?

Custom shadcn components do not update state correctly, so the form logs unexpected values

Using a Zustand store to control TanStack Table v8 state causes errors because the table calls change handlers with an updater function, but the store setters only accept raw values.

job status stored in one handler is not visible in the waiting code

Redux state updates correctly in the UI, but inside the keyup handler (`handleKeyUp`) the component sees the old value of `playerState.isMenuUIVisible`. As a result, conditional logic (e.g., Escape handling) doesn’t run when expected.

Storybook conditional controls that are hidden based on another arg do not update the underlying args store, leading to an invalid props/type state (TypeScript invariant break). Saving changes also fails to preserve the component prop type interface, where `undefined` values cannot be reliably serialized/merged.

Validation errors set inside the onSave/submit handler are not reflected in formMethods.formState.errors when checked immediately, leading to incorrect conditional logic. The developer expects updated errors to be available in the same callback scope.

console.log(success); — after awaiting the dispatched action. Tension: this won't work as you are likely expecting because the submit handler call has a Javascript Closure over the selected `success` from the time it is called. Outcome: access the current state value via `store.getState`.

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