How to build web components now, when the extractCss is deprecated?

Which @angular/* package(s) are the source of the bug?

compiler

Is this a regression?

No

Description

Option “extractCss” is deprecated: Deprecated since version 11.0.

How to build angular custom components now, in case we need styles.js, not styles.css

We can add --extractCss=false to the build script but anyway see the error in the console - Option “extractCss” is deprecated: Deprecated since version 11.0. No longer required to disable CSS extraction for HMR.

Please provide a link to a minimal reproduction of the bug

No response

Please provide the exception or error you saw

Option "extractCss" is deprecated: Deprecated since version 11.0. No longer required to disable CSS extraction for HMR.

Please provide the environment you discovered this bug in (run ng version)

Angular CLI: 12.0.2
Node: 14.17.5
Package Manager: npm 7.21.1
OS: win32 x64

Angular:
...

Package                      Version
------------------------------------------------------
@angular-devkit/architect    0.1200.2 (cli-only)
@angular-devkit/core         12.0.2 (cli-only)
@angular-devkit/schematics   12.0.2 (cli-only)
@schematics/angular          12.0.2 (cli-only)

Anything else?

No response