Remove the warning for setState on unmounted components in React
function useAsync(asyncFn, onSuccess) {
useEffect(() => {
let isActive = true;
asyncFn().then(data => {
if (isActive) onSuccess(data);
});
return () => { isActive = false };
}, [asyncFn, onSuccess]);
}Remove the warning for setState on unmounted components in React
useEffect(() => {
let isMounted = true; // note mutable flag
someAsyncOperation().then(data => {
if (isMounted) setState(data); // add conditional check
})
return () => { isMounted = false }; // cleanup toggles value, if unmounted
}, []); // adjust dependencies to your needsCopyright © 2021 Codeinu
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