add command

Author: QuentinGab

src/Commands/ShowDeadTranslationsCommand.php

@@ -0,0 +1,38 @@
+<?php
+
+namespace Elegantly\Translator\Commands;
+
+use Elegantly\Translator\Facades\Translator;
+use Illuminate\Console\Command;
+use Symfony\Component\Console\Helper\TableSeparator;
+
+class ShowDeadTranslationsCommand extends Command
+{
+    public $signature = 'translator:dead';
+
+    public $description = 'Show all dead translations defined in translations files but not used in the codebase.';
+
+    public function handle(): int
+    {
+        $rows = collect(Translator::getAllDeadTranslations())
+            ->flatMap(
+                fn (array $namespaces, string $locale) => collect($namespaces)
+                    ->flatMap(function (array $keys, string $namespace) use ($locale, $namespaces) {
+                        $values = array_map(fn (string $key) => [$locale, "{$namespace}.$key"], $keys);
+
+                        if (array_key_last($namespaces) !== $namespace) {
+                            $values[] = [new TableSeparator, new TableSeparator];
+                        }
+
+                        return $values;
+                    })
+            )->toArray();
+
+        $this->table(
+            headers: ['Language', 'Dead key'],
+            rows: $rows
+        );
+
+        return self::SUCCESS;
+    }
+}

src/Facades/Translator.php

@@ -16,6 +16,7 @@
  * @method static Translations fixGrammarTranslations(string $locale, string $namespace, array $keys, ?GrammarServiceInterface $service)
  * @method static array<int, string> getMissingTranslations(string $referenceLocale, string $targetLocale, string $namespace)
  * @method static array getAllMissingTranslations(string $referenceLocale)
+ * @method static array getAllDeadTranslations()
  * @method static void sortAllTranslations()
  *
  * @see \Elegantly\Translator\Translator