/Javascript/React/Remove the warning for setState on unmounted components in React

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 needs

Source: stackoverflow.com

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]);
}

Source: stackoverflow.com

Similar codes

0 vote374 views1 answer
Missing script: "start" react
Javascript React
1 vote335 views2 answers
React native time range picker
Javascript React
-1 vote293 views8 answers
React native
Javascript React
0 vote277 views1 answer
How to make a textarea unwritable in react native
Javascript React
2 votes342 views2 answers
React native asign width to image
Javascript React
0 vote356 views1 answer
How to upload react js project on server
Javascript React
-2 votes338 views1 answer
Fc in react
Javascript React
0 vote314 views1 answer
Reactstrap form post
Javascript React
0 vote311 views2 answers
React rating with fractions
Javascript React
3 votes269 views1 answer
React tooltip data-tip
Javascript React