Allow generation of CSS sourcemaps at development time

Created by: sbaechler

This MR provides an opt-in for creating CSS sourcemaps in dev mode. The related issue is #5707 (closed).

When the environment variable DEV_CSS_SOURCEMAPS is set to true, the sourcemaps are generated in development mode as well. Production mode is not affected.

Tested by running 'yarn start' with and without environment variables.

This is the default:

This is with DEV_CSS_SOURCEMAPS=true:

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added CLA Signed label

Created by: stale[bot]

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added stale label

Created by: stale[bot]

This pull request has been automatically closed because it has not had any recent activity. If you have a question or comment, please open a new issue. Thank you for your contribution!

closed

Created by: Syden10

Any updates on this?

mentioned in issue #5707 (closed)