chore: store different casings

Author: ST-DDT

lib/rules/syntaxes/slot-attribute.js

@@ -125,12 +125,15 @@ module.exports = {
      */
     function reportSlot(slotAttr) {
       const componentName = slotAttr.parent.parent.rawName
+      const componentNamePascalCase = casing.pascalCase(componentName)
+      const componentNameKebabCase = casing.kebabCase(componentName)
+
       if (
         ignorePatterns.some(
           (pattern) =>
             pattern.test(componentName) ||
-            pattern.test(casing.pascalCase(componentName)) ||
-            pattern.test(casing.kebabCase(componentName))
+            pattern.test(componentNamePascalCase) ||
+            pattern.test(componentNameKebabCase)
         )
       ) {
         return