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In React 16.x would the useFocusEffect return method that's a promise work?

I tried to do something like this using React Navigation where

  useFocusEffect(useCallback(() => {
    return () => saveFormAsync(formData)
  }, []));

saveFormAsync is an async method returning a Promise<void>.

It seems to work, but I am not sure if I am handling all the cases.

I noted React 16 as React 17 calls cleanup functions asynchronously

almost 3 years ago · Juan Pablo Isaza
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