[TwigBridge] Add emojify twig filter

src/Symfony/Bridge/Twig/CHANGELOG.md

@@ -1,6 +1,11 @@
 CHANGELOG
 =========
 
+7.1
+---
+
+ * Add `emojify` twig filter
+
 7.0
 ---
 

src/Symfony/Bridge/Twig/Extension/EmojiExtension.php

@@ -0,0 +1,55 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Bridge\Twig\Extension;
+
+use Symfony\Component\Emoji\EmojiTransliterator;
+use Twig\Extension\AbstractExtension;
+use Twig\TwigFilter;
+
+/**
+ * @author Grégoire Pineau <lyrixx@lyrixx.info>
+ */
+final class EmojiExtension extends AbstractExtension
+{
+    private static array $transliterators = [];
+
+    public function __construct(
+        private readonly string $defaultCatalog = 'text',
+    ) {
+        if (!class_exists(EmojiTransliterator::class)) {
+            throw new \LogicException('You cannot use the "emojify" filter as the "Emoji" component is not installed. Try running "composer require symfony/emoji".');
+        }
+    }
+
+    public function getFilters(): array
+    {
+        return [
+            new TwigFilter('emojify', $this->emojify(...)),
+        ];
+    }
+
+    /**
+     * Converts emoji short code (:wave:) to real emoji (👋)
+     */
+    public function emojify(string $string, ?string $catalog = null): string
+    {
+        $catalog ??= $this->defaultCatalog;
+
+        try {
+            $tr = self::$transliterators[$catalog] ??= EmojiTransliterator::create($catalog, EmojiTransliterator::REVERSE);
+        } catch (\IntlException $e) {
+            throw new \LogicException(sprintf('The emoji catalog "%s" is not available.', $catalog), previous: $e);
+        }
+
+        return (string) $tr->transliterate($string);
+    }
+}

src/Symfony/Bridge/Twig/Tests/Extension/EmojiExtensionTest.php

@@ -0,0 +1,32 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Bridge\Twig\Tests\Extension;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Bridge\Twig\Extension\EmojiExtension;
+
+/**
+ * @requires extension intl
+ */
+class EmojiExtensionTest extends TestCase
+{
+    /**
+     * @testWith ["🅰️", ":a:"]
+     *           ["🅰️", ":a:", "slack"]
+     *           ["🅰", ":a:", "github"]
+     */
+    public function testEmojify(string $expected, string $string, ?string $catalog = null)
+    {
+        $extension = new EmojiExtension();
+        $this->assertSame($expected, $extension->emojify($string, $catalog));
+    }
+}

src/Symfony/Bridge/Twig/UndefinedCallableHandler.php

@@ -37,6 +37,7 @@ class UndefinedCallableHandler
         'asset_version' => 'asset',
         'importmap' => 'asset-mapper',
         'dump' => 'debug-bundle',
+        'emojify' => 'emoji',
         'encore_entry_link_tags' => 'webpack-encore-bundle',
         'encore_entry_script_tags' => 'webpack-encore-bundle',
         'expression' => 'expression-language',

src/Symfony/Bridge/Twig/composer.json

@@ -27,6 +27,7 @@
         "symfony/asset": "^6.4|^7.0",
         "symfony/asset-mapper": "^6.4|^7.0",
         "symfony/dependency-injection": "^6.4|^7.0",
+        "symfony/emoji": "^7.1",
         "symfony/finder": "^6.4|^7.0",
         "symfony/form": "^6.4|^7.0",
         "symfony/html-sanitizer": "^6.4|^7.0",

src/Symfony/Bundle/TwigBundle/DependencyInjection/Compiler/ExtensionPass.php

@@ -15,6 +15,7 @@
 use Symfony\Component\DependencyInjection\Alias;
 use Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface;
 use Symfony\Component\DependencyInjection\ContainerBuilder;
+use Symfony\Component\Emoji\EmojiTransliterator;
 use Symfony\Component\ExpressionLanguage\Expression;
 use Symfony\Component\Routing\Generator\UrlGeneratorInterface;
 use Symfony\Component\Workflow\Workflow;
@@ -31,6 +32,10 @@ public function process(ContainerBuilder $container): void
             $container->removeDefinition('twig.extension.assets');
         }
 
+        if (!class_exists(EmojiTransliterator::class)) {
+            $container->removeDefinition('twig.extension.emoji');
+        }
+
         if (!class_exists(Expression::class)) {
             $container->removeDefinition('twig.extension.expression');
         }
@@ -125,6 +130,10 @@ public function process(ContainerBuilder $container): void
             $container->getDefinition('twig.extension.expression')->addTag('twig.extension');
         }
 
+        if ($container->hasDefinition('twig.extension.emoji')) {
+            $container->getDefinition('twig.extension.emoji')->addTag('twig.extension');
+        }
+
         if (!class_exists(Workflow::class) || !$container->has('workflow.registry')) {
             $container->removeDefinition('workflow.twig_extension');
         } else {

src/Symfony/Bundle/TwigBundle/Resources/config/twig.php

@@ -17,6 +17,7 @@
 use Symfony\Bridge\Twig\ErrorRenderer\TwigErrorRenderer;
 use Symfony\Bridge\Twig\EventListener\TemplateAttributeListener;
 use Symfony\Bridge\Twig\Extension\AssetExtension;
+use Symfony\Bridge\Twig\Extension\EmojiExtension;
 use Symfony\Bridge\Twig\Extension\ExpressionExtension;
 use Symfony\Bridge\Twig\Extension\HtmlSanitizerExtension;
 use Symfony\Bridge\Twig\Extension\HttpFoundationExtension;
@@ -115,6 +116,8 @@
 
         ->set('twig.extension.expression', ExpressionExtension::class)
 
+        ->set('twig.extension.emoji', EmojiExtension::class)
+
         ->set('twig.extension.htmlsanitizer', HtmlSanitizerExtension::class)
             ->args([tagged_locator('html_sanitizer', 'sanitizer')])
 

src/Symfony/Bundle/TwigBundle/composer.json

@@ -20,7 +20,7 @@
         "composer-runtime-api": ">=2.1",
         "symfony/config": "^6.4|^7.0",
         "symfony/dependency-injection": "^6.4|^7.0",
-        "symfony/twig-bridge": "^6.4|^7.0",
+        "symfony/twig-bridge": "^7.1",
         "symfony/http-foundation": "^6.4|^7.0",
         "symfony/http-kernel": "^6.4|^7.0",
         "twig/twig": "^3.0.4"