FOUC with updated cra

[thegreatsantini]

Is this a bug report?

Yes, I think it is a bug.

Did you try recovering your dependencies?

yes. I deleted node_modules and package-lock.json. Then ran npm i

I created the react app by running
npm create react-app react-statusbar
npm version 6.8.0
node version 11.10.0

Which terms did you search for in User Guide?

No info on styles in trouble shooting

Environment

Steps to Reproduce

1. I created the react app by using npm create react-app react-statusbar
2. npm start to compile without any changes to code.
3. started building the few components that I was going to use and made minor css changes.

Expected Behavior

I expect the app to keep its styles when it recompile or refreshes.

Actual Behavior

When the app first complied, recompiled or refreshed I would get a Flash of styled components.
wasn't able to get a screen shot of the unstyled app

Reproducible Demo

here is the link to the app.
https://github.com/thegreatsantini/Algorithms/tree/master/Zulily/react-statusbar

1. clone repo
2. cd to the react app
3. npm i
4. npm start and watch the browser

[bugzpodder]

Thanks for the repo. This is tracked in #6399.