From a96c19d06f5980ee8e85dc997cff43baf6b24af3 Mon Sep 17 00:00:00 2001
From: "Derek \"tachyon\" Reese" <cyb.tachyon@gmail.com>
Date: Mon, 24 Feb 2020 15:11:40 -0500
Subject: [PATCH] Adds a try catch to twig pattern renders

feat(PatternLibrary*)
---
 src/Plugin/PatternLibrary/PatternLibraryJSON.php | 8 +-------
 src/Plugin/PatternLibrary/PatternLibraryTwig.php | 9 +++++++--
 2 files changed, 8 insertions(+), 9 deletions(-)

diff --git a/src/Plugin/PatternLibrary/PatternLibraryJSON.php b/src/Plugin/PatternLibrary/PatternLibraryJSON.php
index 33a17a5..c287fdd 100644
--- a/src/Plugin/PatternLibrary/PatternLibraryJSON.php
+++ b/src/Plugin/PatternLibrary/PatternLibraryJSON.php
@@ -6,6 +6,7 @@
 use Drupal\Core\Config\ConfigFactoryInterface;
 use Drupal\Core\Plugin\ContainerFactoryPluginInterface;
 use Drupal\Core\State\StateInterface;
+use Drupal\patternkit\Annotation\PatternLibrary;
 use Drupal\patternkit\JSONSchemaEditorTrait;
 use Drupal\patternkit\Pattern;
 use Drupal\patternkit\PatternEditorConfig;
@@ -24,13 +25,6 @@
 class PatternLibraryJSON extends PatternLibraryPluginDefault implements ContainerFactoryPluginInterface {
   use JSONSchemaEditorTrait;
 
-  /**
-   * State machine service.
-   *
-   * @var \Drupal\Core\State\StateInterface
-   */
-  protected $state;
-
   /**
    * Attaches services.
    *
diff --git a/src/Plugin/PatternLibrary/PatternLibraryTwig.php b/src/Plugin/PatternLibrary/PatternLibraryTwig.php
index bbf212d..9a32072 100644
--- a/src/Plugin/PatternLibrary/PatternLibraryTwig.php
+++ b/src/Plugin/PatternLibrary/PatternLibraryTwig.php
@@ -83,8 +83,13 @@ public function render(array $assets): array {
       $bare       = basename($file);
       /** @var \Drupal\Core\Template\TwigEnvironment $twig */
       $twig       = \Drupal::service('twig');
-      $template   = $twig->load("$namespace/$pattern->filename");
-      $elements[] = $template->render($pattern->config ?? []);
+      try {
+        $template   = $twig->load("$namespace/$pattern->filename");
+        $elements[] = $template->render($pattern->config ?? []);
+      }
+      catch (\Exception $exception) {
+        // @todo Use twig logger and log this exception.
+      }
     }
     return $elements;
   }