[Omission]: useOptimistic is documented as having a required second parameter

[denis-sokolov]

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Summary

useOptimistic’s second parameter is allegedly optional (source), but the docs imply that it is required.

Page

https://react.dev/reference/react/useOptimistic#parameters

Details

Perhaps in the Reference section, Parameters, under updateFn, it could be mentioned that the function is optional, and that the returned function addOptimistic will instead be a setter (setOptimistic).

[AkashJana18]

Hi @denis-sokolov , I wanted to follow up on this pull request and see if there's anything else you need from me or any additional changes you'd like to see. Please let me know if you have any feedback or if there's a timeline for review. Thanks for your time and consideration!