Follow-up to
#2865971: Use stylelint as opposed to csslint in core →
. Configure the rule-empty-line-before to be consistent with
https://www.drupal.org/docs/develop/standards/css/css-coding-standards →
Brief instructions on running stylelint - you'll need npm...
All the commands below take place in DRUPAL_ROOT/core
To install stylelint
npm install
This will install Drupal 8's npm dependencies of which stylelint is one.
To run it on all core css files. Apply this issue's patch and do the following command from DRUPAL_ROOT/core
npm run lint:css
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It's likely this issue predates Contrib.social: some issue and comment data are missing.
For me this is won't fix; from https://www.drupal.org/docs/develop/standards/css/css-formatting-guidelines →
In general, do NOT separate each ruleset by a blank line.
If two rulesets have no interleaving blank line, they must be logically related. If they are not logically related to each other, add a blank line and a comment describing the second ruleset.