Utilize service providers

ServiceProviderTrait.php

<?php

namespace App\Composers\Concerns;

use Roots\Acorn\Application;
use Illuminate\Support\Collection;

trait Services
{
    /**
     * Service Provider
     * @var array
     */
    // public static $services = [
    //  'Parser' => 'commonmark',
    // ];
  
    /**
     * Utilize service providers
     *
     * @param  array $services
     * @return void
     */
    protected function resolveServices() : void
    {
        if (isset(self::$services) && !empty(self::$services)) {
            Collection::make(self::$services)->each(function ($alias, $call) {
                $callable = Application::getInstance()->make($alias);
                $this->$call = $callable;
            });
        }
    }
}