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Graph/react-strictmode-lazy-reexecution-loop

Pattern

Effect Re-Execution Loops

react-strictmode-lazy-reexecution-loop

A recurring React lifecycle shape where state changes trigger useEffect/React.lazy to re-execute, so timers or dynamic imports are re-started and overwrite loading state or repeatedly re-render until it loops.

Node Details

Public graph metadata

Updated4/30/2026

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30 linked nodes

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

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

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).

When multiple React components use Zustand selectors like `useStore(state => state.largeDataset)`, does each component end up copying the large dataset into its own memory, increasing total RAM usage?

After migrating to React 18, dynamically importing a language-specific component with React.lazy based on a zustand state variable causes the component to infinitely render/loading.

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.

Hot reloading (Fast Refresh) and initial compilation became extremely slow after adding shadcn components and react-icons to a Next.js 14 + Tailwind project.

Using `useRef` inside a hook that needs a reference for a DOM node that may not exist or change during the component's render — popups, dialogs, etc. Tension: may cause stale references or missed updates. Outcome: keeping the state consistent with the latest DOM element.

A React Query mutation's state (e.g., loading/error/success) needs to be observed from a different component than the one that triggered the mutation.

modules do run multiple times when imported in a Next.js application — in a Next.js application. Tension: No, imports do not only run once when the site is built, and never again. Outcome: At least every time a user lands on your website, an import happens client-side.

How to test Redux actions that update the Redux store state from a React component (e.g., clicking a hamburger icon toggling sidebar visibility).

In a React/Framer Motion collapsible sidebar, the icon inside a memoized `SidebarItem` visually re-renders whenever `is_expanded` toggles, even though the icon prop itself is static and memoized. Console logs confirm the icon/component re-render occurs on expansion state changes.

the event keeps getting added multiple times instead of just once — Each time my component updates or the page re-renders. Tension: making my app slower. Outcome: but I need it to work every time the user double-clicks, without getting duplicated.

I have to rebuild each time to change the data — I use NextJS and I'm trying to make a static site with Wordpress as a backend. Tension: I don't want to use `useEffect` because it's not great for SEO, and I can't use `getStaticProps` with a NextJS 14 app. Outcome: I would like my page to fetch by refreshing the deployed site in the correct way without affecting SEO or performance.

A reselect selector that returns a combined wallet object (wallet + computed balance) causes React components to rerender on any Redux state change, even when the selected data did not change.

The user needs to trigger the same side-effect twice: once when certain Redux state values change and again when a specific async action is fulfilled. Attempts to combine a state-change `predicate` with an action-based `actionCreator` into a single listener did not work.

extraReducers:{ [getAllJobs.pending]: (state)=>{ state.loading=true; }, — export const jobDetails=createSlice({ name:"jobDetails",. Tension: The object syntax for `createSlice.extraReducers` has been deprecated since version 1.9.0 and then removed in v2.0.0. Outcome: you have to convert the object into the builder callback syntax.

These functions are get re-created, causing memoized children to re-render unnecessarily. — I have a dashboard with many components, and i try to pass functions as props to deeply nested children. Tension: Every time a parent re-renders, these functions are get re-created.

the boredom and energy stats do not — I'm using `setInterval` to update these values. Tension: it seems like only hunger is being updated. Outcome: the useEffect is going to clear all of the intervals and reset them.

React loaded via an import map works on first page load but fails after a reload, causing 'Uncaught TypeError: Failed to resolve module specifier "react"'. Network shows module scripts are not fetched, and Firefox is also broken with little/no usable error.

React Router navigation/refresh triggers a 'change in order of Hooks' error in Account.jsx. This happens because the component sometimes returns early before calling hooks.

my useEffect doesn't work — after introducing RHF it doesn't work because I need to send this formatted value to RHF state. Tension: it doesn't control state of RHF vale and I don't know how to refactor it so it does. Outcome: Solved it by using watch from RHF.

A React effect that uses setInterval with setSeconds causes the effect to rerun every time seconds changes, potentially creating an update loop/infinite interval. The user also wants to access the current seconds value within the interval logic.

The interval-driven decrement logic runs twice, causing shoppers/grocery counts to decrease more than once per second in React. This makes the checkout line processing behave incorrectly.

Resetting the timer by lifting/resetting state in the parent causes the app/game to become unresponsive due to frequent re-renders. The Timer component also attempts to reset its local state during render, leading to problematic behavior.

In a React app, resizing the browser window causes a parent component to re-render and the child component(s) (e.g., <PaymentOption {...paymentProps} />) to re-render as well, even though the child’s content should not change with layout changes.

In a React + Framer Motion text “word cycle” that updates every 3 seconds, leaving the page open and returning later sometimes results in multiple words being displayed at once with overlapping text.

Whether using a callback passed as React children (render prop pattern) to let a component provide feature state/variables is a good React pattern, as suggested by a SDK example.

the custom requestAnimationFrame loop never went idle — after live graph traversal events. Tension: those unresolved pulses stayed in the pulse map. Outcome: The renderer also performed full instanced-node matrix updates during pulse-only frames and kept expensive force-graph link rendering active longer than necessary.

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