fix: added studly case response option

Author: phpsa

composer.json

@@ -16,13 +16,13 @@
   ],
   "require": {
     "php": "^8.1",
-    "laravel/framework": "^9.0|^10.0"
+    "laravel/framework": "^9.0|^10.0|^11.0"
   },
   "require-dev": {
     "doctrine/dbal": ">=2.3",
     "mockery/mockery": "^1.0",
     "nunomaduro/larastan": "^2.0",
-    "orchestra/testbench": "^7.0|^8.0",
+    "orchestra/testbench": "^7.0|^8.0|^9.0",
     "phpunit/phpunit": "^9.5|^10.0"
   },
   "autoload": {

src/Helpers.php

@@ -61,6 +61,26 @@ public static function camelCaseArrayKeys(array $array): array
         return $array;
     }
 
+
+    public static function studlyCaseArrayKeys(array $array): array
+    {
+        $keys = array_keys($array);
+        foreach ($keys as $key) {
+            $value = &$array[$key]; //reference and not copy so that keeps any modifiers
+            unset($array[$key]);
+
+            if (is_array($value)) {
+                $value = self::studlyCaseArrayKeys($value);
+            }
+
+            $newKey = Str::of($key)->studly()->ucfirst()->toString();
+            $array[$newKey] = $value;
+            unset($value); //cleanup
+        }
+
+        return $array;
+    }
+
     /**
      * Snake cases array keys.
      *
@@ -124,6 +144,16 @@ public static function camel($value)
         return Str::camel($value);
     }
 
+    public static function studly($value)
+    {
+        // Preserve all caps
+        if (strtoupper($value) === $value) {
+            return $value;
+        }
+
+        return Str::studly($value);
+    }
+
 
     protected static function filterExtraFields(array $fields, ?string $fieldKey): array
     {
@@ -141,7 +171,7 @@ protected static function filterExtraFields(array $fields, ?string $fieldKey): a
 
     protected static function fetchRequestFieldValues($request, string $field, ?string $fieldKey = null): ?array
     {
-        if(!$request->has($field)){
+        if (! $request->has($field)) {
             return null;
         }
         return self::filterExtraFields(explode(",", $request->input($field)), $fieldKey);

src/Http/Resources/Contracts/CaseFormat.php

@@ -10,12 +10,13 @@ trait CaseFormat
     protected function caseFormat(Request $request, array $data): array
     {
         $case = $request->header('X-Accept-Case-Type');
-        if (!is_string($case)) {
+        if (! is_string($case)) {
             return $data;
         }
-        return match (str($case)->lower()) {
+        return match (str($case)->lower()->toString()) {
             'camel', 'camel-case' => Helpers::camelCaseArrayKeys($data),
             'snake', 'snake-case' => Helpers::snakeCaseArrayKeys($data),
+            'studly', 'studly-case' => Helpers::studlyCaseArrayKeys($data),
             default => $data,
         };
     }