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React.memo – attempting to assign a ref to a component wrapped in memo does not produce a friendly error message #13964

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fiso opened this issue Oct 25, 2018 · 0 comments

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@fiso
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fiso commented Oct 25, 2018

Do you want to request a feature or report a bug?
Bug

What is the current behavior?
Attempting to assign a ref to a component wrapped in React.memo does not produce a friendly error message. Attempting the same thing with a functional component not wrapped in memo gives a descriptive error ("Warning: Function components cannot be given refs. Attempts to access this ref will fail.").

If the current behavior is a bug, please provide the steps to reproduce and if possible a minimal demo of the problem. Your bug will get fixed much faster if we can run your code and it doesn't have dependencies other than React. Paste the link to your JSFiddle (https://jsfiddle.net/Luktwrdm/) or CodeSandbox (https://codesandbox.io/s/new) example below:
I trust this is not needed for this case

What is the expected behavior?
The same error message as with a non-memo functional component should be displayed.

Which versions of React, and which browser / OS are affected by this issue? Did this work in previous versions of React?
16.6.0

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