How to invoke constructor logic in react hooks?

Asked Jan 17 '20 at 12:21

Active Jan 17 '20 at 12:26

Viewed 80 times

React doc says:

If you’re familiar with React class lifecycle methods, you can think of useEffect Hook as componentDidMount, componentDidUpdate, and componentWillUnmount combined.

But what if I want to invoke a logic that has to be triggered before component mounts?

edited Jan 17 '20 at 12:26

Marco Bonelli

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asked Jan 17 '20 at 12:21

sudheer singh

for example? `useEffect` can be used to do something at only the first render, so that could be what you're looking for. – TKoL Jan 17 '20 at 12:23
No it doesn't. Please read the question carefully. – sudheer singh Jan 17 '20 at 12:30
I guess all the code invoked before return(); will be executed before mounting – Celso Wellington Jan 17 '20 at 12:35
you don't need any hooks for that – Celso Wellington Jan 17 '20 at 12:36
@sudheersingh [Read my answer](https://stackoverflow.com/questions/53464595/how-to-use-componentwillmount-in-react-hooks/60866524#60866524), maybe it could help you. – Jiri Mihal Mar 26 '20 at 12:24

How to invoke constructor logic in react hooks?

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