Extract duplicate code that converts ordered classNames back to attribute value

Author: mpsijm

lib/rules/classnames-order.js

@@ -305,20 +305,11 @@ module.exports = {
       }
 
       let orderedClassNames;
-      let validatedClassNamesValue = '';
 
+      // Sorting
       if (officialSorting) {
         orderedClassNames = order(classNames, contextFallback);
-        for (let i = 0; i < orderedClassNames.length; i++) {
-          const w = whitespaces[i] ?? '';
-          const cls = orderedClassNames[i];
-          validatedClassNamesValue += headSpace ? `${w}${cls}` : `${cls}${w}`;
-          if (headSpace && tailSpace && i === orderedClassNames.length - 1) {
-            validatedClassNamesValue += whitespaces[whitespaces.length - 1] ?? '';
-          }
-        }
       } else {
-        // Sorting
         const mergedSorted = [];
         const mergedExtras = [];
         if (groupByResponsive) {
@@ -334,18 +325,21 @@ module.exports = {
           mergedExtras.push(...extras);
         }
 
-        // Generates the validated/sorted attribute value
         const flatted = mergedSorted.flat();
-        const union = prependCustom ? [...mergedExtras, ...flatted] : [...flatted, ...mergedExtras];
-        for (let i = 0; i < union.length; i++) {
-          const w = whitespaces[i] ?? '';
-          const cls = union[i];
-          validatedClassNamesValue += headSpace ? `${w}${cls}` : `${cls}${w}`;
-          if (headSpace && tailSpace && i === union.length - 1) {
-            validatedClassNamesValue += whitespaces[whitespaces.length - 1] ?? '';
-          }
+        orderedClassNames = prependCustom ? [...mergedExtras, ...flatted] : [...flatted, ...mergedExtras];
+      }
+
+      // Generates the validated/sorted attribute value
+      let validatedClassNamesValue = '';
+      for (let i = 0; i < orderedClassNames.length; i++) {
+        const w = whitespaces[i] ?? '';
+        const cls = orderedClassNames[i];
+        validatedClassNamesValue += headSpace ? `${w}${cls}` : `${cls}${w}`;
+        if (headSpace && tailSpace && i === orderedClassNames.length - 1) {
+          validatedClassNamesValue += whitespaces[whitespaces.length - 1] ?? '';
         }
       }
+
       if (originalClassNamesValue !== validatedClassNamesValue) {
         validatedClassNamesValue = prefix + validatedClassNamesValue + suffix;
         context.report({