zvermafia / alif-api-wrapper-for-laravel

src/LaraTransliterationServiceProvider.php

<?php

namespace Zvermafia\LaraTransliteration;

use GuzzleHttp\Client;
use Zvermafia\Transliteration\Transliterator;
use Zvermafia\Transliteration\Contracts\TransliteratorContract;
use Illuminate\Support\ServiceProvider;

class LaraTransliterationServiceProvider extends ServiceProvider
{
    /** @var string */
    const SERVICE_NAME = 'zvermafia.laratransliterator';

    /**
     * Register the application services.
     *
     * @return void
     */
    public function register()
    {
        // Prepare the HTTP client
        $client = new Client([
            'base_uri' => Transliterator::API_BASE_URI,
        ]);

        $this->app->singleton(self::SERVICE_NAME, function ($app) use ($client) {

The parameter $app is not used and could be removed.

            return new Transliterator($client);
        });

        $this->app->alias(self::SERVICE_NAME, TransliteratorContract::class);
    }
}