fix: allow empty body

app/Http/Middleware/JsonOnlyMiddleware.php

@@ -15,7 +15,7 @@ class JsonOnlyMiddleware
      */
     public function handle(Request $request, Closure $next): Response
     {
-        if (!$request->isJson()) {
+        if (!empty($request->all()) && !$request->isJson()) {
             return response()->json([
                 'message' => 'Only JSON requests are accepted'
             ], Response::HTTP_BAD_REQUEST);

tests/Feature/Http/Middleware/JsonOnlyMiddlewareTest.php

@@ -53,4 +53,23 @@ public function test_json_requests_are_accepted(): void
 
         $user->delete();
     }
+
+    /**
+     * Test that empty requests are accepted.
+     */
+    public function test_empty_requests_are_accepted(): void
+    {
+
+        $response = $this->post(uri: '/api/v1/login', headers: ['Accept' => 'application/json']);
+
+        $response->assertStatus(422)
+            ->assertJson([
+                'message' => 'The email field is required. (and 1 more error)',
+                'errors' => [
+                    'email' => ['The email field is required.'],
+                    'password' => ['The password field is required.']
+                ]
+            ]);
+
+    }
 }