Re-Calling a react hook after a function is executed
来源： https://stackoverflow.com/questions/62015830/re-calling-a-react-hook-after-a-function-is-executed
use-effect
fetched data is different from old data, but seems exactly the same
来源： https://stackoverflow.com/questions/63237466/fetched-data-is-different-from-old-data-but-seems-exactly-the-same
useEffect: Can't perform a React state update on an unmounted component. This is a no-op, but it indicates a memory leak in your application
来源： https://stackoverflow.com/questions/63536154/useeffect-cant-perform-a-react-state-update-on-an-unmounted-component-this-is
React hooks useEffect call API second time and first time calling API response also returning
来源： https://stackoverflow.com/questions/57296445/react-hooks-useeffect-call-api-second-time-and-first-time-calling-api-response-a
React hooks useEffect call API second time and first time calling API response also returning
来源： https://stackoverflow.com/questions/57296445/react-hooks-useeffect-call-api-second-time-and-first-time-calling-api-response-a
Cancel all subscriptions in a useEffect cleanup function created by Context.Consumer
问题 Each time when onClick executes I received a warning message about memory leak. How component can be can unsubscribed from the Context.Consumer in my functional component with useEffect hook? I did not find a way how to unsubscribe from the AppContext. AppContext.unsubsribe() did not work. import React, {useState, useContext} from 'react'; import {withRouter} from 'react-router-dom'; import axios from 'axios'; import {AppContext} from "../context/AppContext"; const LoginPage = (props) => {
Cancel all subscriptions in a useEffect cleanup function created by Context.Consumer
问题 Each time when onClick executes I received a warning message about memory leak. How component can be can unsubscribed from the Context.Consumer in my functional component with useEffect hook? I did not find a way how to unsubscribe from the AppContext. AppContext.unsubsribe() did not work. import React, {useState, useContext} from 'react'; import {withRouter} from 'react-router-dom'; import axios from 'axios'; import {AppContext} from "../context/AppContext"; const LoginPage = (props) => {
useEffect dependency array and ESLint exhaustive-deps rule
问题 I have a component that looks like this: const MyComponent = props => { const { checked, onChange, id } = props; const [isChecked, setChecked] = useState(false); useEffect(() => { onChange && onChange({ isChecked: !!checked, id }); setChecked(checked); }, [checked]); const childProps = { id, isChecked }; return <ChildComponent {...childProps} />; }; The exhaustive-deps lint rule isn't happy: React Hook useEffect has missing dependencies: id and onChange . Either include them or remove the
How to stop memory leak in useEffect hook react
问题 I am using Effect hook to fetch the datas from server and these data are passed to the react table there i have used the same api call to load the next set of datas from server. When the application gets loaded i am getting an warning like below Warning: Can't perform a React state update on an unmounted component. This is a no-op, but it indicates a memory leak in your application. To fix, cancel all subscriptions and asynchronous tasks in a useEffect cleanup function. Effect Hook: useEffect
How to stop memory leak in useEffect hook react
问题 I am using Effect hook to fetch the datas from server and these data are passed to the react table there i have used the same api call to load the next set of datas from server. When the application gets loaded i am getting an warning like below Warning: Can't perform a React state update on an unmounted component. This is a no-op, but it indicates a memory leak in your application. To fix, cancel all subscriptions and asynchronous tasks in a useEffect cleanup function. Effect Hook: useEffect