Add twig helper functions to check if entrypoint has files

Author: acrobat

src/Twig/EntryFilesTwigExtension.php

@@ -12,6 +12,7 @@
 use Psr\Container\ContainerInterface;
 use Symfony\WebpackEncoreBundle\Asset\EntrypointLookupInterface;
 use Symfony\WebpackEncoreBundle\Asset\TagRenderer;
+use Symfony\WebpackEncoreBundle\Exception\EntrypointNotFoundException;
 use Twig\Extension\AbstractExtension;
 use Twig\TwigFunction;
 
@@ -29,6 +30,8 @@ public function getFunctions(): array
         return [
             new TwigFunction('encore_entry_js_files', [$this, 'getWebpackJsFiles']),
             new TwigFunction('encore_entry_css_files', [$this, 'getWebpackCssFiles']),
+            new TwigFunction('encore_has_entry_js_files', [$this, 'hasWebpackJsFiles']),
+            new TwigFunction('encore_has_entry_css_files', [$this, 'hasWebpackCssFiles']),
             new TwigFunction('encore_entry_script_tags', [$this, 'renderWebpackScriptTags'], ['is_safe' => ['html']]),
             new TwigFunction('encore_entry_link_tags', [$this, 'renderWebpackLinkTags'], ['is_safe' => ['html']]),
         ];
@@ -46,6 +49,30 @@ public function getWebpackCssFiles(string $entryName, string $entrypointName = '
             ->getCssFiles($entryName);
     }
 
+    public function hasWebpackJsFiles(string $entryName, string $entrypointName = '_default'): bool
+    {
+        try {
+            $entrypointLookup = $this->getEntrypointLookup($entrypointName);
+            $entrypointLookup->reset();
+
+            return count($entrypointLookup->getJavaScriptFiles($entryName)) > 0;
+        } catch (EntrypointNotFoundException $e) {
+            return false;
+        }
+    }
+
+    public function hasWebpackCssFiles(string $entryName, string $entrypointName = '_default'): bool
+    {
+        try {
+            $entrypointLookup = $this->getEntrypointLookup($entrypointName);
+            $entrypointLookup->reset();
+
+            return count($entrypointLookup->getCssFiles($entryName)) > 0;
+        } catch (EntrypointNotFoundException $e) {
+            return false;
+        }
+    }
+
     public function renderWebpackScriptTags(string $entryName, string $packageName = null, string $entrypointName = '_default', array $attributes = []): string
     {
         return $this->getTagRenderer()