| 1 | import * as React from 'react'; |
| 2 | |
| 3 | const {useState, useEffect} = React; |
| 4 | const useEffectEvent = |
| 5 | React.useEffectEvent || React.experimental_useEffectEvent; |
| 6 | |
| 7 | export default function UseEffectEvent(): React.Node { |
| 8 | return ( |
| 9 | <> |
| 10 | <SingleHookCase /> |
| 11 | <HookTreeCase /> |
| 12 | </> |
| 13 | ); |
| 14 | } |
| 15 | |
| 16 | function SingleHookCase() { |
| 17 | const onClick = useEffectEvent(() => {}); |
| 18 | |
| 19 | return <div onClick={onClick} />; |
| 20 | } |
| 21 | |
| 22 | function useCustomHook() { |
| 23 | const [state, setState] = useState(); |
| 24 | const onClick = useEffectEvent(() => {}); |
| 25 | useEffect(() => {}); |
| 26 | |
| 27 | return [state, setState, onClick]; |
| 28 | } |
| 29 | |
| 30 | function HookTreeCase() { |
| 31 | const onClick = useCustomHook(); |
| 32 | |
| 33 | return <div onClick={onClick} />; |
| 34 | } |