Initial import

php/vendor/php-di/slim-bridge/src/Bridge.php

@@ -0,0 +1,57 @@
+<?php declare(strict_types=1);
+
+namespace DI\Bridge\Slim;
+
+use DI\Container;
+use Invoker\Invoker;
+use Invoker\ParameterResolver\AssociativeArrayResolver;
+use Invoker\ParameterResolver\Container\TypeHintContainerResolver;
+use Invoker\ParameterResolver\DefaultValueResolver;
+use Invoker\ParameterResolver\ResolverChain;
+use Psr\Container\ContainerInterface;
+use Slim\App;
+use Slim\Factory\AppFactory;
+use \Invoker\CallableResolver as InvokerCallableResolver;
+use Slim\Interfaces\CallableResolverInterface;
+
+/**
+ * This factory creates a Slim application correctly configured with PHP-DI.
+ *
+ * To use this, replace `Slim\Factory\AppFactory::create()`
+ * with `DI\Bridge\Slim\Bridge::create()`.
+ */
+class Bridge
+{
+    public static function create(ContainerInterface $container = null): App
+    {
+        $container = $container ?: new Container;
+
+        $callableResolver = new InvokerCallableResolver($container);
+
+        $container->set(CallableResolverInterface::class, new CallableResolver($callableResolver));
+        $app = AppFactory::createFromContainer($container);
+
+        $container->set(App::class, $app);
+
+        $controllerInvoker = static::createControllerInvoker($container);
+        $app->getRouteCollector()->setDefaultInvocationStrategy($controllerInvoker);
+
+        return $app;
+    }
+
+    private static function createControllerInvoker(ContainerInterface $container): ControllerInvoker
+    {
+        $resolvers = [
+            // Inject parameters by name first
+            new AssociativeArrayResolver(),
+            // Then inject services by type-hints for those that weren't resolved
+            new TypeHintContainerResolver($container),
+            // Then fall back on parameters default values for optional route parameters
+            new DefaultValueResolver(),
+        ];
+
+        $invoker = new Invoker(new ResolverChain($resolvers), $container);
+
+        return new ControllerInvoker($invoker);
+    }
+}