1For componentDidMount
2useEffect(() => {
3  // Your code here
4}, []);
5
6For componentDidUpdate
7useEffect(() => {
8  // Your code here
9}, [yourDependency]);
10
11For componentWillUnmount
12useEffect(() => {
13  // componentWillUnmount
14  return () => {
15     // Your code here
16  }
17}, [yourDependency]);
18