[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 +1,42 @@
+<?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 getFilters(): array
+    {
+        return [
+            new TwigFilter('emojify', $this->emojify(...)),
+        ];
+    }
+
+    public function emojify(string $string, string $catalog = 'slack'): string
+    {
+        if (!in_array($catalog, $catalogs = ['slack', 'github'], true)) {
+            throw new \InvalidArgumentException(sprintf('The catalog "%s" is not supported. Try one among "%s".', $catalog, implode('", "', $catalogs)));
+        }
+
+        $tr = self::$transliterators[$catalog] ??= EmojiTransliterator::create('emoji-'.$catalog, EmojiTransliterator::REVERSE);
+
+        return (string) $tr->transliterate($string);
+    }
+}

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

@@ -0,0 +1,33 @@
+<?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;
+
+class EmojiExtensionTest extends TestCase
+{
+    /**
+     * @testWith ["😂", ":joy:"]
+     *           ["😂", ":joy:", "slack"]
+     *           ["😂", ":joy:", "github"]
+     */
+    public function testEmojify(string $expected, string $string, ?string $catalog = null): void
+    {
+        $extension = new EmojiExtension();
+        if ($catalog){
+            $this->assertSame($expected, $extension->emojify($string, $catalog));
+        } else {
+            $this->assertSame($expected, $extension->emojify($string));
+        }
+    }
+}

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",