Use variable for pattern

Author: KristjanESPERANTO

eslint.config.mjs

@@ -82,7 +82,8 @@ const config = [
     "rules": {
       "@stylistic/array-element-newline": "off",
       "@stylistic/indent": ["error", 2],
-      "no-magic-numbers": "off"
+      "no-magic-numbers": "off",
+      "one-var": "off"
     }
   }
 ];

stylelint.config.mjs

@@ -1,14 +1,15 @@
+const pattern = "^(MMM-CalendarExt2|CX2|fake_module|module-content|[a-z][a-zA-Z0-9]+(_\\d+)?)$";
 const config = {
   "extends": ["stylelint-config-standard"],
   "plugins": ["stylelint-prettier"],
   "root": true,
   "rules": {
     "declaration-block-no-redundant-longhand-properties": null,
-    "keyframes-name-pattern": "^(MMM-CalendarExt2|CX2|fake_module|module-content|[a-z][a-zA-Z0-9]+(_\\d+)?)$",
+    "keyframes-name-pattern": pattern,
     "no-descending-specificity": null,
     "prettier/prettier": true,
     "rule-empty-line-before": null,
-    "selector-class-pattern": "^(MMM-CalendarExt2|CX2|fake_module|module-content|[a-z][a-zA-Z0-9]+(_\\d+)?)$"
+    "selector-class-pattern": pattern
   }
 };