Created
July 29, 2020 13:31
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| function useUpdateEffect(cb: () => void, depend: any[]) { | |
| const [status, setStatus] = useState(false) | |
| useEffect(() => { | |
| if(status) { | |
| cb() | |
| } else { | |
| setStatus(true) | |
| } | |
| }, depend) | |
| } |
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// 满足只有当依赖发生变化时候才执行cb.第一次时候不会调用cb