setState -> const [state, setState] = useState()

componentDidMount -> useEffect(() => {}, [])

componentDidMount & componentDidUpdate -> useEffect(() => {}, [props.changedValue]

componentWillUnmount & componentDidUnmount -> useEffect(() => { return () => console.log('Cleaning up') }, [])

shouldComponentUpdate -> export default React.memo(myComponent, () => console.log('finer grain control here, but I work opposite to shouldComponentUpdate. Usually out of the box memoization is good enough')

Only use hooks in the top-level of your function