IsLand

I have the same issue as @skycrazyk 's.

@paleite I think i find the bug in the source code. If you're not urgent, I'll try to make a pr to fix it this weekend.  The simplest way...

I'll provide a minimal reproduction repo late when I arrive home today. I'm still working at company now.

Hey, here's the repo: https://github.com/IsLand-x/eslint-plugin-diff-bug-repoduce

Heres a pr to fix the bug https://github.com/paleite/eslint-plugin-diff/pull/27

Need shadow DOM feature support. When creating chrome extension and injecting ui into content script, this "css in js" library will be the best practice if shadow dom feature was...