React hook useinterval cannot be called inside a callback. error on my code and try to find a way to make this work.

React hook useinterval cannot be called inside a callback A React hook for managing intervals with automatic cleanup and pause/resume functionality. log. Also, take a look at the following rules on react hooks. Sep 4, 2025 · While JavaScript provides setInterval, using it directly in React can lead to issues with cleanup and stale closures when state or props change. Custom hook that creates an interval that invokes a callback function at a specified delay using the setInterval API. When you put it inside a callback, you mess up the life-cycle flow. I reckon this might be due to the fact that when handleScroll is defined scroll is 0, but scroll is defined in the scope above and should be updated when the component is re-rendered. These systems aren’t controlled by React, so they are called external. The ultimate collection of design-agnostic, flexible and accessible React UI Components. . React Hooks must be called in a React function component or a custom React Hook function What shoul Dec 10, 2020 · Here, I have implemented my own solution which works for my use case. You can not put hooks inside if statements, functions, loops and they can't be nested in anything. By using useRef and useEffect, you can create a reusable solution that automatically handles cleanup and ensures Feb 16, 2024 · 40:31 error React Hook "useInteractableAreaOccupants" cannot be called inside a callback. Jul 23, 2025 · The setInterval () method executes a function repeatedly at a specified interval. The hook sets up an interval that repeatedly invokes the callback function at the specified interval. React hook library, ready to use, written in Typescript. SetInterval: The Old Way to Poll in React Classes Back in the days when we used to be restricted to class-based components for state changes, polling was typically Jun 6, 2021 · React Hook "useColorModeValue" cannot be called inside a callback. Includes real examples. Functions prefixed with use are interpreted by React to be hooks. In this blog, we will talk about using callbacks in a custom hook. tsx Jul 4, 2024 · React useInterval hook Wrapping your mind around React hooks can be daunting at first, especially if you stumble into anything remotely related to timing, such as setInterval(). So I want to save the state now with redux I really appreciate your help - thank you :) Hooks are functions that let you “hook into” React state and lifecycle features from function components. loops. Right now I get this error: " React Hook "useTimeout" cannot be called inside a callback. Thanks for your help. Provide details and share your research! Feb 13, 2019 · Learn how to effectively implement throttle or debounce techniques in React Hooks to optimize performance and improve user experience. Apr 4, 2022 · In your codesandbox, useFormikContext is called outside of a react component. a. Jul 18, 2019 · As I understand, the problem is because I'm calling a Hook inside a custom Hook (useInterval), but I don't know another way to do this because native setInterval does not work with Hooks. React Hooks must be called in a React function component or a custom React Hook So it defeats the purpose of useCallback. useRef useRef is a React Hook that lets you reference a value that’s not needed for rendering. I wouldn’t call it caveats, it comes with a different model of programming with React. The useInterval hook, a popular custom hook, provides a simple and efficient way to incorporate setInterval functionality into functional components. React Hooks must be called in a React function component or a custom React Hook function react-hooks/rules-of-hooks Dec 23, 2020 · useClickInside - React Hook If you deal with event handling for clicking inside of wrapped components then the useClickInside hook is the right choice for you. Jul 7, 2021 · I have created a utility hook that allow updating the state of components as long as they are mounted. Inside this component, we use the useState hook to manage the state of the message variable. Enhance your React skills with practical examples and clear explanations. I am new to react hook so can not understand why this is happening. You will have to convert Navibar component into the functional component. Hooks don’t work inside classes — they let you use React without classes. Oct 5, 2019 · I'm new to React hooks, but I'm trying to use a useEffect with a useCallback, but getting the notorious React Hook "useList" cannot be called inside a callback. The problem is indeed with createF definition which wraps the hook useCallback with different dependencies depending on b . log(data); }; export default useDataChange; In short, custom hook supposed to be fired when data from table is changed (ie. Always follow the rules of React hooks when working and using them in your React projects to avoid experiencing errors like this. React Hooks must be called in a React function component or a custom React Hook function react-hooks/rules-of-hooks Nov 7, 2024 · Prevent unnecessary re-renders with React useCallback(). Jun 3, 2025 · Learn how to use the useEffect Hook in React to manage side effects, handle async tasks, and avoid common mistakes with real-world examples. Contribute to streamich/react-use development by creating an account on GitHub. It is powerful, and it comes with some caveats. Feb 11, 2024 · You cannot call it inside a class component, a loop, a condition, or a nested function. When fetching data in a Server Component, prefer async and await over use. My explanation is not that good, you should go through the Jan 3, 2023 · React Hook "useCustomFunction" cannot be called inside a callback Asked 1 year, 7 months ago Modified 1 year, 7 months ago Viewed 32 times Mar 21, 2023 · In React, functions that start with use. It is a React-wrapper for the native Javascript function setInterval. The error: React Hook "useState" cannot be called inside a callback. React component names must start with an uppercase letter. May 2, 2022 · I tried to make that happen in the useEffect hook but I am getting errors based on the rule of hooks that we can not call any hook inside a callback. I will also link his blog post regarding this in the references Apr 5, 2022 · The error: React Hook "useId" cannot be called inside a callback. How would you refactor the code to solve this problem? My goal is to execute useInterval(callback, delay) when the loading state is true. useCallback is a React Hook that lets you cache a function definition between re-renders. Aug 2, 2021 · Why is setInterval called inside a useEffect hook? Why does the setInterval call look like that? Why are we returning something from the useEffect hook? Why is setInterval called inside a useEffect hook? According to the React docs, "The Effect Hook lets you perform side effects in function components". Anyway, to fix the code then you need to remove the React hook useFetchProjectScansByUser from inside the functions. You’re calling a hook inside another hook as a parameter, sir you’re violating the rules of hooks, that spooky and will give errors lmao hooks should only be called at the top level of a function component or another custom hook. In addition to the standard Javascript API, the returned callbacks allow you to pause, resume, stop and start the interval, too. The interval can be paused by setting the delay to null You can also manually control it by passing the controls parameter. React Hooks — 👍. You can only call Hooks while React is rendering a function component: Mar 21, 2023 · In React, functions that start with use. Mar 21, 2022 · React Hook "React. Apollo Asked 5 years, 7 months ago Modified 3 years, 11 months ago Viewed 1k times If you want to run some code when the return boolean from useOnScreen changes, you can send the boolean as a dependency to a useEffect call and check it's value inside the callback. React Hooks must be called in a React function component or a custom React Hook function The code: Oct 13, 2021 · But in this case, I would say that the useSomething() hook is called inside the callback useCb(), which is also a custom React Hook function. useInterval lets us track how much time has elapsed since the user has started the stopwatch. My explanation is not that good, you should go through the Jan 4, 2024 · Implementing useInterval in Your React Components To start using useInterval in your React components, you'll first need to create the custom hook. However, the code is currently working fine and not throwing any errors in the console. Please take a look at the following code snippet an Oct 27, 2021 · I'm calling a useCallback from a click event: <Button variant="contained" onClick={sendRequest}> Disable </Button> And the useCallback function: useCallback(() => { useQueryBlablablaAction(id); }, [id]); And I'm getting the error: React Hook "useQueryBlablablaAction" cannot be called inside a callback. x and up, if you want to invoke a callback function on state change using useState hook, you can use the useEffect hook attached to the state change. Oct 9, 2020 · Today, I’ll be sharing how easy it is to leverage a custom React Hook called useInterval, to poll an API within your application for fresh data (or really run any task that needs intervals). The thing is I need the navigateHandler not just for using inside the useEffect, As you can see, I use it in onclick of my button. Jul 29, 2021 · Here's an example of a "Stopwatch" component. Nov 7, 2020 · React Hook "useState" cannot be called inside a callback. Mar 2, 2022 · I am trying to use an HOC component in React with a functional component, but when using hooks I keep getting the error React Hook "useEffect" cannot be called inside a callback. The use API must be called inside a Component or a Hook. Sep 4, 2024 · React enforces strict rules about where hooks can be called. To avoid this error, you can either move the call to the hook outside of the callback or use the useCallback hook to create a memoized version of the hook that can be called safely inside a callback. You can either create your own custom useInterval hook or use third-party libraries like react-use or use-interval. " Dec 6, 2023 · In this example, we've created a functional component called DelayedMessage. Jun 15, 2022 · So, you'd need to change your code and move every React hook to the top. How do I fix this ? Mainly, I need useClock to be called when user clicks on the button, because I want to know if anything has changed before he clicks on the button. memo wrapping the component - this seems perfectly fine. In order to solve such issues, you have to get used to the way hooks work, their limitations and potential workarounds. The useInterval hook internally uses the useState, useRef, and useCallback hooks from React to manage the interval and its state. useInterval # Run a function repeatedly at a specified interval. Creating a custom hook like useInterval makes this process cleaner, reusable, and safer. Jun 7, 2019 · Here is my code I get these errors Line 16: React Hook Error: React Hook "useLogout" cannot be called inside a callback. io. async and await pick up rendering from the point where await was invoked, whereas use re-renders the component after the data is resolved. Nov 15, 2022 · React Hook "XXX" is called in function "SSS" that is neither a React function component nor a custom React Hook function. useInterval A react wrapper for setInterval – no leaks on unmount! This hook allows you to do certain actions at a regular interval, a. The alternatives are to either have your custom hook return a callback that you can use anywhere you want. React components also need to return something that React knows how to display, like a piece of JSX. Let’s look at each of these cases. React Hooks must be called in a React function component or a custom React Hook function. k. You might be breaking the Rules of Hooks. Dec 16, 2020 · How can I make a request to an API based on the response from another request? React Hook "useSwr" cannot be called inside a callback Asked 4 years, 4 months ago Modified 4 years, 4 months ago Viewed 3k times React hooks must only be called from a React function, either React function component or custom hook. Polling VS Webhooks An alternative to polling is webhooks. dev May 27, 2025 · Hooks can only be called inside of the body of a function component. The useInterval hook provides a convenient way to create and manage intervals. I can see why this may be a risky, "bad idea". Feb 22, 2023 · "React Hook "useOptInOut" cannot be called inside a callback. to do so, I had to call useCallack inside the callback function of Array. Instead I'm getting: React Hook "useDataChange" cannot be called inside a callback. Feb 4, 2019 · (Here’s a CodeSandbox demo. Learn to manage state effectively in your functional components, ensuring that updates happen correctly, especially during asynchronous operations. ) This useInterval isn’t a built-in React Hook; it’s a custom Hook that I wrote: Nov 2, 2020 · @JMadelaine the custom hook is just a sample in here, but in my code is a custom hook that uses some react hooks. React Hooks must be called in a React function component or a custom React Hook function Jan 25, 2023 · Firstly, hooks can only be called at the top level of a function component or hook, not within an effect callback function. Apr 17, 2022 · React Hook "useEffect" cannot be called inside a callback. New version 1. This is one of React’s most confusing errors — especially because it tends to pop up in code that If you try to call a hook inside a callback, you will get an error. We can use the setInterval method in a React component to update the component's state or perform other actions. React Hooks must be called in a React function component or a custom React Hook function react-hooks/rules-of-hooks. Jun 25, 2025 · Learn what React useCallback hook does, when to use it, and how it helps prevent unnecessary re-renders in your components. Hooks are included in the lifecycle of the component, and optimized accordigly to not re-render. I came up with my own hook, which I called useLoopCallback, that solves the problem by memoizing the main callback along with a Map of loop params to their own callback: Feb 24, 2023 · In this tutorial, we’ll be creating a custom useInterval hook in React that allows you to set up a timer that runs a function at a specified interval. Jul 29, 2022 · It looks like Loadable generates a react component but you cannot call a react hook outside of a react component (or another hook), so this pattern won't quite work. It also utilizes the usePersistentCallback hook to ensure the callback function remains stable across renders. Change const [backgroundColor, useBackgroundColor] = useState("purple"); to const [backgroundColor, setBackgroundColor] = useState Mar 31, 2021 · Above the onDraft function, I want to add const { test } = useClock() , but it says: React Hook "useCourtClock" cannot be called inside a callback. Rename it to something more appropriate - the usual convention is to prefix the state variable with set. The useInterval hook implements the setInterval method in a declarative manner Mar 2, 2019 · With React16. error on my code and try to find a way to make this work. Intervals as a side effect First, it should be clear that setInterval() is a side effect. View all network posts 352 Electron: jQuery is not defined 130 Electron: jQuery is not defined 6 React Hook “useInterval” cannot be called inside a callback Jun 6, 2024 · The error occurs because React Hooks, such as useQuery, cannot be called inside a loop or a callback function. Feb 5, 2021 · React - Error: Invalid hook call. In your case, it sounds like what you want to do is to have a simple util function instead. Jul 22, 2023 · React hooks, including "useRef," cannot be called inside any block other than the top-level of a functional component. So, question, where we can use May 28, 2020 · 11 I want to update state in Child component but it doesn't work. Usage Aug 8, 2020 · How to use setInterval in React hooks Problem: Any code/function called inside setInterval does not show updated state (where state is created using useState hook). Can you please tell me how can I fix this issue and do the required API call on any of the user Input. useState" cannot be called inside a callback. After Usage Connecting to an external system Some components need to stay connected to the network, some browser API, or a third-party library, while they are displayed on the page. The useEffect hook is used for committing side effects, which includes creating timers. In extremely abstract terms, if your handler needs something that is built on top of react primitives (like formik), then that needs to either be passed in -- or pulled inside of another hook. We achieve a lot of that by creating custom hooks. And I want to list each item with map. (react-hooks/rules-of-hooks) Jul 24, 2024 · However, none of the actually update the state. Instead, always use Hooks at the top level of your React function, before any early returns. #47 Closed singleseeker opened this issue on Mar 19, 2021 · 1 comment Oct 15, 2019 · I want to update state every second inside setinterval() but it doesn't work. Hook names must start with use followed by a capital letter, like useState (built-in) or useOnlineStatus (custom, like earlier on the page). Mar 19, 2021 · React Hook "useState" cannot be called inside a callback. Use the immediate option to run the function immediately when it is updated. #7404 The useCallback Hook is used to memoize a callback function. Or have the hook do some Mar 10, 2022 · This function is used to set the initial state of the page. React Hooks must be called in a React function component or a custom React Hook function, QGIS: concatenate_unique several columns in attributes table ,Please be sure to answer the question. Aug 7, 2025 · All of this is already handled in the version of useInterval included in the React Hook Cheat Sheet: 50 Production-Ready Hooks. To connect your component to some external system, call useEffect at the top level of your component: Nov 12, 2019 · const useDataChange = data => { console. Memoizing a function means caching the result of a function so that it does not need to be recalculated. In this case, useSlideScroll is not a custom hook (it doesn't use stuff like useState or useEffect inside of it) so it can be nested inside a function. Just giving an email and password and checking from db. Don’t call Hooks inside loops, conditions, nested functions, or try / catch / finally blocks. But here, your useBackgroundColor isn't actually a hook, it's just a state setter function. Oct 16, 2021 · Using setInterval and clearInterval with React Hooks We are going to practice our react hooks today by creating a simple bathtub app. Avoid pitfalls like hooks in conditionals, loops, nested functions, and d Nov 18, 2021 · You cannot use hooks inside the class component. …you’re not alone. I'm guessing its because useState is an async function its90elf and there is some type of conflict. React hooks can help to fix setInterval problems. And hooks can only be used inside of components. The useEffect hook is used to handle side effects, such as asynchronous operations, in functional components. Functions whose names start with use are called Hooks in React. The app has a ‘bathtub’ with 5 levels of water. They must always be called directly within the functional component body. What is wrong my syntax? Asked 4 years, 9 months ago Modified 4 years, 9 months ago Viewed 68k times Jul 6, 2020 · IMO, the problem is not with the top-level React. React Hooks must be called in a React function component or a custom React Hook function react-hooks/rules-of-hooks Search for the keywords to learn more about each error. I don't understand why is when I use setTimeout function my react component start to infinite console. React Hooks must be called in a React function component Asked 3 years, 3 months ago Modified 3 years, 3 months ago Viewed 4k times A custom React Hook that provides a declarative setInterval called useInterval. May 25, 2020 · Here is an example of a mutable ref storing the current callback from the Overreacted blog: function useInterval(callback, delay) { const savedCallback = useRef(); // update ref before 2nd eff The reason is because the callback passed into setInterval 's closure only accesses the time variable in the first render, it doesn't have access to the new time value in the subsequent render because the useEffect() is not invoked the second time. If list is dynamic, then the number of hook calls may change. I got this useTimeout custom hook where I want it to run only when on is true. Using useMediaQuery responsive JS media query Asked4 years, 5 months ago Modified 4 years, 5 months ago Viewed 2k times 0 Jul 29, 2020 · How to fix the error "react use hook cannot be called inside a callback function" using react? Asked 5 years, 3 months ago Modified 5 years, 3 months ago Viewed 5k times May 22, 2019 · React hooks introduces useState for setting component state. If you want, you can go for this battle tested custom React Hook called “useInterval” by Dan Abramov which takes care of everything for you. Thats not valid React. I noticed that there are hooks being used directly inside the callback function, which goes against React's rules. Hooks can only be called inside of the body of a function component. Jun 30, 2025 · As far as I know, all hooks in React should be called at the top level of a component or custom hook — not inside conditions, loops, or expressions. html May 11, 2020 · Intervals from React Classes to React Hooks Before I dive into the custom useInterval Hook, let me briefly review how polling at intervals used to work in React when we could only use class-based components to work with our state. Everything is working, but PC start to lag as hell. See full list on react. Webhooks are a common way for one app to notify of an event, in real-time, to another app. Feb 2, 2025 · The useInterval hook is a simple yet powerful way to manage intervals in React. Jul 23, 2025 · JavaScript setInterval () repeatedly executes a function with a fixed time delay. delay: The time interval (in milliseconds) between each function call. React component names must start with a capital letter, like StatusBar and SaveButton. There are three common reasons you might be seeing it: You might have mismatching versions of React and React DOM. In this article, we'll demonstrate how to properly use them in your code. May 3, 2023 · Why async callbacks cannot be used in useEffect Let's understand the reasons why an asynchronous callback function cannot be called directly from a useEffect() hook. Like the setState you are familiar with, state hooks have two forms: one where it Apr 28, 2020 · When I write this code I have an error: React Hook "useRef" cannot be called inside a callback. Actually, there're a lot of items. map this is my code e Mar 6, 2022 · Answer by Dakota Meyer React Hook "useState" cannot be called inside a callback. May 3, 2019 · This gives me an error: React Hook "useCallback" cannot be called inside a callback. Mar 6, 2020 · React hooks inside a curry function (creating a HOC) returning an error from linter 'React Hook "useContext" cannot be called inside a callback' Asked 5 years, 2 months ago Modified 4 months ago Viewed 5k times Feb 7, 2023 · The useEffect hook inside the useInterval hook uses a savedCallback ref to save the callback function between re-renders, and create or clear the interval based on the delay parameter. Nov 18, 2019 · Line 71:9: React Hook "useSWR" cannot be called inside a callback. We should be aware of those “caveats” when we write custom hooks. Mar 11, 2025 · This tutorial demonstrates how to use callback functions with the useState hooks in React. As stated in the docs you cannot even return earlier before another hook. But I recently stumbled upon a code pattern that I am working with react native and want to create a login form. #4177 Answered by anubra266 spidertwin2 asked this question in Q&A spidertwin2 Actually I had to wrap the startTimer function inside the useEffect hook (as you had suggested), and also clear the interval on cleanup inside that useEffect. when handleTableChange in Table component is fired). time always has the value of 0 within the setInterval callback. [Error/react-hooks/rules-of-hooks] BannersStore. React Hook "useFetchBanners" cannot be called inside a callback. I came up with my own hook, which I called useLoopCallback, that solves the problem by memoizing the main callback along with a Map of loop params to their own callback: useQuery is a React hook from TanStack Query for efficient data fetching, caching, and state synchronization in web applications. Syntax: setInterval(callback, delay); callback: The function you want to run periodically. This allows us to isolate resource intensive functions so that they will not automatically run on every render. But how can I use hooks to replace the callback like below code: Jan 13, 2023 · Right now I get React Hook "useSubscribe" cannot be called inside a callback. Usage # So it defeats the purpose of useCallback. Apr 25, 2023 · Are you looking to optimize your React applications? Have you heard of the useCallback hook? useCallback is a powerful React hook that helps you optimize your application by preventing unnecessary re-renders. Then we make use of useEffect to append and clean up the click event. Note=> In React, it's necessary to keep useInterval A react wrapper for setInterval – no leaks on unmount! This hook allows you to do certain actions at a regular interval, a. I simplified the code in Codesandbox to reproduce the problem, in my Codesandbox, when clicking the button, I run useInterval to get a new random cat picture every 4 seconds and update my hook. 0 has been completely rewritten in TypeScript! This hook is an implementation of Dan Abramov 's blog post "Making setInterval Declarative with React Hooks". React Hooks must be called in a React function component or a custom React Hook function react Oct 1, 2025 · Summary In this article, you have learned what causes the “react hooks must be called in a react function component or a custom react hook function” error, and how it can be fixed. How to Use React Hooks React hooks must be called at the top level of a functional component and cannot be used inside loops, conditions, or nested functions. Nov 18, 2024 · Learn how to identify and resolve React hook order violations with clear examples. To achieve what you're looking for, you just need to include the name of the product you want to search for in the query key. Violating these rules can lead to an error that can be confusing and frustrating for developers. Webhooks are often referred to as “reverse APIs Nov 1, 2018 · scroll state variable updates in rendered output but not inside handleScroll event callback. Learn how to use the React useCallback hook to memoize functions, prevent unnecessary re-renders, and optimize performance with stable callbacks. When useInterval is called, we setup a useEffect that executes callback When callback executes, the return value (the cleanup for it) is stored in cleanup which is scoped to the effect and a setTimeout is setup to re-execute in delay milliseconds Jan 24, 2022 · [TypeScript React-Query] isReactHook with custom fetcher in mutations throws React Hook "useFetch" cannot be called inside a callback. It is fully commented, tested, and designed to work out of the box in both client-side and server-rendered environments. You could potentially solve this by making Loadable a component and rendering the Component as a child. Some people saying that function in ti Dec 28, 2020 · However, now I have the following error React Hook "useRef" cannot be called inside a callback. To start using the useInterval hook, you need to import it into your project. are considered custom hooks, and those as well as the builtin hooks have to be directly inside components, not nested inside another function. react-hooks I've recently started working on a React project where I came across a provider component that returns a render props callback function. Learn the ins and outs of this powerful Hook and when and how to use it effectively. Something like this: Mar 14, 2021 · To run setInterval in a React component, we should put it in the useEffect hook. First, we create a custom hook that takes in a ref and a callback to handle the click event. In this post, we'll dive into React's useCallback () hook, define referential equality and callback functions and how to tie it all together. You need to specify all the dependencies of the callback function in the array argument. For instance, if we wish to update the delay parameter, we might have to deal with a lot of life cycle methods. React Hooks must be called in a React function component or a custom React Hook function Dec 16, 2020 · 2,106 17 24 dunnu but I still get even using your code this " React Hook "useNavigate" is called in function "withAuthorization" which is neither a React function component or a custom React Hook functio" – Kid Dec 16, 2020 at 13:15 I move the useNavigate() to outer function and then get " React Hook "useNavigate" cannot be called inside a Nov 27, 2019 · ESLint: React Hook "useAttachDocumentToProspectMutation" cannot be called inside a callback. This is because the useEffect hook expects its effect function to return either a cleanup function or nothing at all. It can be challenging to use the setInterval method in React. The useCallback function only re-executes when one of its dependencies changes value. Let's break down how to identify and understand the cause of this error. May 2, 2025 · Build reliable timers, loops, and polling in React without bugs or boilerplate using a clean custom hook. Hooks must be called at the top level of a React function component or a custom React Hook to ensure they are called in the same order on every render. org/docs/hooks-rules. Using useState The useState hook lets you store and update state inside a functional component. Nov 20, 2020 · React hooks have made sharing application logic easier. Jul 29, 2021 · I need fetch data using the redux hook useSelector in my react functional component but the data isn't quickly ready so it seems that useSelector will return an empty array at first , then when the data is ready , it will return the popuplated array of data. There are several other ways to solve this problem as well, for example, one can use useRef to get the interval ID. And that's exactly what we want to do here. https://reactjs. useInterval A declarative interval hook based on Dan Abramov's article on overreacted. To avoid this hassle, we can use a custom useInterval hook. Hooks can only be called inside the body of a function component. The useInterval hook sets up an interval and ensures that the callback function provided to it is kept up to date with the latest changes in your component's state or props. ystox qznxsq ygiuyhu frb irpcx wxtedwm fpftk fkr ersc cfsq wvmvo buq zxk ioah kkwda