Merge pull request #7 from joesenova/upgrade/twig_v3

Upgraded bundle to work with Twig3

Author: gonzaloalonsod

DependencyInjection/Configuration.php

@@ -14,7 +14,7 @@ class Configuration implements ConfigurationInterface
     /**
      * {@inheritDoc}
      */
-    public function getConfigTreeBuilder()
+    public function getConfigTreeBuilder(): TreeBuilder
     {
         $treeBuilder = new TreeBuilder('stephane_collot_datetimepicker');
         // Symfony/config > 4.1||5.*

Twig/Extension/FormExtension.php

@@ -13,13 +13,15 @@
 
 use Symfony\Component\Form\FormView;
 use Symfony\Component\Form\FormRenderer;
+use Twig\Extension\AbstractExtension;
+use Twig\TwigFunction;
 
 /**
  * FormExtension extends Twig with form capabilities.
  *
  * @author Olivier Chauvel <olivier@generation-multiple.com>
  */
-class FormExtension extends \Twig_Extension
+class FormExtension extends AbstractExtension
 {
     /**
      * This property is public so that it can be accessed directly from compiled
@@ -37,11 +39,11 @@ public function __construct(FormRenderer $renderer)
     /**
      * {@inheritdoc}
      */
-    public function getFunctions()
+    public function getFunctions(): array
     {
         return array(
-            new \Twig_SimpleFunction('form_javascript', array($this, 'renderJavascript'), array('is_safe' => array('html'))),
-            new \Twig_SimpleFunction('form_stylesheet', null, array('node_class' => 'Symfony\Bridge\Twig\Node\SearchAndRenderBlockNode', 'is_safe' => array('html'))),
+            new TwigFunction('form_javascript', array($this, 'renderJavascript'), array('is_safe' => array('html'))),
+            new TwigFunction('form_stylesheet', null, array('node_class' => 'Symfony\Bridge\Twig\Node\SearchAndRenderBlockNode', 'is_safe' => array('html'))),
         );
     }
 
@@ -53,7 +55,7 @@ public function getFunctions()
      *
      * @return string
      */
-    public function renderJavascript(FormView $view, $prototype = false)
+    public function renderJavascript(FormView $view, $prototype = false): string
     {
         $block = $prototype ? 'javascript_prototype' : 'javascript';
 
@@ -63,7 +65,7 @@ public function renderJavascript(FormView $view, $prototype = false)
     /**
      * {@inheritdoc}
      */
-    public function getName()
+    public function getName(): string
     {
         return 'collot.twig.extension.form';
     }