Register service providers of plugins

app/Services/PluginManager.php

@@ -141,6 +141,7 @@ class PluginManager
         );
         $this->loadVendor($enabled);
         $this->loadViewsAndTranslations($enabled);
+        $this->registerServiceProviders($enabled);
         $this->loadBootstrapper($enabled);
         $this->registerLifecycleHooks();
 
@@ -202,6 +203,22 @@ class PluginManager
         });
     }
 
+    /**
+     * @param Collection $enabled
+     */
+    protected function registerServiceProviders($enabled)
+    {
+        $enabled->each(function ($plugin) {
+            $providers = Arr::get($plugin->getManifest(), 'enchants.providers', []);
+            array_walk($providers, function ($provider) use ($plugin) {
+                $class = Str::start(Str::finish($provider, 'ServiceProvider'), $plugin->namespace.'\\');
+                if (class_exists($class)) {
+                    $this->app->register($class);
+                }
+            });
+        });
+    }
+
     /**
      * Load plugin's bootstrapper.
      *

storage/mocks/fake-plugin/package.json

@@ -1,5 +1,10 @@
 {
   "name": "fake",
   "version": "0.0.0",
-  "namespace": "Fake"
+  "namespace": "Fake",
+  "enchants": {
+    "providers": [
+      "Fake"
+    ]
+  }
 }

storage/mocks/fake-plugin/src/FakeServiceProvider.php

@@ -0,0 +1,13 @@
+<?php
+
+namespace Fake;
+
+use Illuminate\Support\ServiceProvider;
+
+class FakeServiceProvider extends ServiceProvider
+{
+    public function boot()
+    {
+        event('provider.loaded');
+    }
+}

storage/mocks/fake-plugin/src/Faker.php

@@ -1,7 +0,0 @@
-<?php
-
-namespace Fake;
-
-class Faker
-{
-}

tests/ServicesTest/PluginManagerTest.php

@@ -341,7 +341,22 @@ class PluginManagerTest extends TestCase
 
         $this->assertFalse(class_exists('Fake\Faker'));
         $manager = $this->rebootPluginManager(app('plugins'));
-        $this->assertTrue(class_exists('Fake\Faker'));
+        $this->assertTrue(class_exists('Fake\FakeServiceProvider'));
+
+        config(['plugins.directory' => $dir]);
+        option(['plugins_enabled' => '[]']);
+    }
+
+    public function testRegisterServiceProviders()
+    {
+        Event::fake();
+
+        $dir = config('plugins.directory');
+        config(['plugins.directory' => storage_path('mocks')]);
+        option(['plugins_enabled' => json_encode([['name' => 'fake', 'version' => '0.0.0']])]);
+
+        $manager = $this->rebootPluginManager(app('plugins'));
+        Event::assertDispatched('provider.loaded');
 
         config(['plugins.directory' => $dir]);
         option(['plugins_enabled' => '[]']);