fix: useUpdateEffect returns optional cleanup function #864
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Fixes #863
Description
useUpdateEffect
does not return the result of theeffect
passed, this results in cleanup function never being called on unmount. This PR fixes it by makinguseUpdateEffect
return the result of the passed effect.Type of change
Checklist
yarn test
)yarn lint
). Fix it withyarn lint:fix
in case of failure.yarn lint:types
).