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vendor/symfony/twig-bridge/Extension/EmojiExtension.php

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+<?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);
+    }
+}