Is impure to update "other component's" useRef within useEffect?
I saw the article "Keeping Components Pure" on react.dev and have a question.
Is there any problem with "updating refs of other components received via props in useEffect" as shown below?
This is used like:
Although not very practical, I made one sample application that just adds two inputs.
Of course, I know there are more React-like ways to do this, but I am now simply wondering if this is acceptable in principle for React components.
I would be happy to receive an answer!
3 Replies
Unknown User•10mo ago
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No, if you only want to update the "state", simply pass the setState function to the props; when you execute the setState function, React will automatically go back to the parent component and re-render it.
Unknown User•10mo ago
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