Restore Flight::path() autoloading after the 3.19 autoload rework.

PR 709 dropped the Composer files entry for flight/autoload.php and that file returned early when vendor/autoload.php existed, so Loader::autoload() never registered. path() still added directories; namespaced app classes never loaded. Upgrades must not break that.

composer.json

@@ -27,6 +27,9 @@
         "ext-json": "*"
     },
     "autoload": {
+        "files": [
+            "flight/autoload.php"
+        ],
         "classmap": [
             "flight/Flight.php"
         ],

flight/autoload.php

@@ -8,7 +8,7 @@ require_once __DIR__ . '/Flight.php';
 require_once __DIR__ . '/core/Loader.php';
 
 if (file_exists(__DIR__ . '/../vendor/autoload.php')) {
-    return require_once __DIR__ . '/../vendor/autoload.php';
+    require_once __DIR__ . '/../vendor/autoload.php';
 }
 
-Loader::autoload(true, dirname(__DIR__));
+Loader::autoload(true, [dirname(__DIR__)]);

tests/AutoloadTest.php

@@ -4,6 +4,7 @@ declare(strict_types=1);
 
 namespace tests;
 
+use Flight;
 use flight\Engine;
 use tests\classes\User;
 use PHPUnit\Framework\TestCase;
@@ -44,4 +45,17 @@ class AutoloadTest extends TestCase
 
         self::assertNull($test);
     }
+
+    // Flight::path() must load namespaced classes that Composer PSR-4 does not map
+    public function testPathAutoloadsNamespacedClassOutsideComposerPsr4(): void
+    {
+        $class = \app\middleware\Something::class;
+
+        self::assertFalse(class_exists($class));
+
+        Flight::path(__DIR__ . '/path_autoload_fixtures');
+
+        self::assertTrue(class_exists($class));
+        self::assertTrue(class_exists(Engine::class));
+    }
 }

tests/path_autoload_fixtures/app/middleware/Something.php

@@ -0,0 +1,9 @@
+<?php
+
+declare(strict_types=1);
+
+namespace app\middleware;
+
+class Something
+{
+}