New feature: caching twig templates

lib/Framework/Kernel.php

@@ -20,6 +20,7 @@ class Kernel
     private string $configDir;
     private string $projectDir;
     private string $templateDir;
+    private string $cacheDir;
     private Router $router;
 
     /**
@@ -70,6 +71,22 @@ class Kernel
         $this->templateDir = $templateDir;
     }
 
+    /**
+     * @return string
+     */
+    public function getCacheDir(): string
+    {
+        return $this->cacheDir;
+    }
+
+    /**
+     * @param string $cacheDir
+     */
+    public function setCacheDir(string $cacheDir): void
+    {
+        $this->cacheDir = $cacheDir;
+    }
+
     /**
      * @return Router
      */

lib/Framework/Twig.php

@@ -6,6 +6,7 @@ namespace JeroenED\Framework;
 
 use Mehrkanal\EncoreTwigExtension\Extensions\EntryFilesTwigExtension;
 use Symfony\WebpackEncoreBundle\Asset\EntrypointLookup;
+use Twig\Cache\FilesystemCache;
 use Twig\Environment;
 use Twig\Extra\Intl\IntlExtension;
 use Twig\Loader\FilesystemLoader;
@@ -16,11 +17,13 @@ class Twig
 {
     private Environment $environment;
     private Kernel $kernel;
+
     public function __construct(Kernel $kernel)
     {
-
         $loader = new FilesystemLoader([$kernel->getTemplateDir()]);
+        $cache = new FilesystemCache($kernel->getCacheDir() . '/twig');
         $this->environment = new Environment($loader);
+        $this->environment->setCache($cache);
         $this->kernel = $kernel;
         $this->addExtensions();
         $this->addFunctions();

public/index.php

@@ -10,6 +10,7 @@ $kernel = new Kernel();
 $kernel->setProjectDir(getcwd());
 $kernel->setConfigDir(getcwd() . '/config/');
 $kernel->setTemplateDir(getcwd() . '/templates/');
+$kernel->setCacheDir(getcwd() . '/cache/');
 $kernel->parseDotEnv($kernel->getProjectDir() . '/.env');
 
 ini_set('date.timezone', $_ENV['TZ']);