feat: purgecss deep keep flickity-* classes, stylelint selector-class-pattern allow e.g. fontawesome class e.g. ".svg-inline--fa"

Author: hadl

.stylelintrc.json

@@ -12,6 +12,7 @@
       }
     ],
     "number-leading-zero": "never",
-    "scss/at-rule-no-unknown": true
+    "scss/at-rule-no-unknown": true,
+    "selector-class-pattern": "^([a-z][a-z0-9]*)(--?[a-z0-9]+)*$"
   }
 }

postcss.config.js

@@ -26,7 +26,9 @@ module.exports = {
           /data-v-.*/,
           /^(svg-inline--fa|fa-)/, // fontawesome
         ],
-        deep: [],
+        deep: [
+          /^(flickity-)/,
+        ],
       },
     }),
   ],