Add optional chaining checking for sheet.

[lenient]

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Corresponding Issue(s):

What Would You Like to Add/Fix?

Todo

• [ ] Add test(s) that verify the modified behavior
• [ ] Add documentation if it changes public API

Expectations on Changes

Changelog

[kof]

Hi

1. There must be a reason why you don't have a sheet in some case, so we need to figure out the reason and fix it, what you fixed is a consequence
2. We need a test that reproduces the problem. Without a test I won't be able to merge

[lenient]

Hi @kof , This happens when using micro-frontend, I don't have a standalone example to reproduce it. But this happens on my local env, and ?. is the way to fix it.

[kof]

You need to remove one dependency after another until its just jss

[kof]

please reopen once you have time