add lang: ja

nexus/Translation/NexusTranslator.php

@@ -0,0 +1,49 @@
+<?php
+
+namespace Nexus\Translation;
+
+use Illuminate\Filesystem\Filesystem;
+use Illuminate\Translation\FileLoader;
+use Illuminate\Translation\Translator;
+
+class NexusTranslator
+{
+    protected Filesystem $filesystem;
+    protected FileLoader $loader;
+    protected Translator $translator;
+
+    public function __construct(string $defaultLocale = 'en', string $fallbackLocale = 'en', string $defaultPath = null)
+    {
+        $this->filesystem = new Filesystem();
+        $this->loader = new FileLoader($this->filesystem, $defaultPath ?? ROOT_PATH . 'resources/lang');
+
+        // Laravel-style fallback
+        $this->translator = new Translator($this->loader, $defaultLocale);
+        $this->translator->setFallback($fallbackLocale);
+    }
+
+    public function setLocale(string $locale): void
+    {
+        $this->translator->setLocale($locale);
+    }
+
+    public function getLocale(): string
+    {
+        return $this->translator->getLocale();
+    }
+
+    public function addNamespace(string $namespace, string $path): void
+    {
+        $this->loader->addNamespace($namespace, $path);
+    }
+
+    public function trans(string $key, array $replace = [], string $locale = null): string
+    {
+        return $this->translator->get($key, $replace, $locale);
+    }
+
+    public function has(string $key, string $locale = null): bool
+    {
+        return $this->translator->has($key, $locale);
+    }
+}