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Hook description
One rudimentary way to measure the position or size of a DOM node is to use a callback ref. React will call that callback whenever the ref gets attached to a different node.
Note that we pass [] as a dependency array to useCallback. This ensures that our ref callback doesn’t change between the re-renders, and so React won’t call it unnecessarily, so in current example the callback ref will be called only when the component mounts and unmount. As in result we will not fall into infinite re-renders.
Checklist
react-use
, have you checked Port remaining hooks fromreact-use
#33 and the migration guideto confirm that the hook has been approved for porting?