Laravel provider to inlude javascript files on blade view

Factory.php

<?php

namespace App\Providers;

use Illuminate\View\Factory as FactoryContract;

class Factory extends FactoryContract
{
    /**
     * The extension to engine bindings.
     *
     * @var array
     */
    protected $extensions = [
        'blade.php' => 'blade',
        'php' => 'php',
        'css' => 'file',
        'js' => 'file',
    ];
}

ViewServiceProvider.php

<?php

namespace App\Providers;

use App\Providers\Factory;

use Illuminate\View\FileViewFinder;
use Illuminate\View\ViewServiceProvider as ServiceProvider;

class ViewServiceProvider extends ServiceProvider
{
    /**
     * Register the view environment.
     *
     * @return void
     */
    public function registerFactory()
    {
        $this->app->singleton('view', function ($app) {
            // Next we need to grab the engine resolver instance that will be used by the
            // environment. The resolver will be used by an environment to get each of
            // the various engine implementations such as plain PHP or Blade engine.
            $resolver = $app['view.engine.resolver'];

            $finder = $app['view.finder'];

            $env = new Factory($resolver, $finder, $app['events']);

            // We will also set the container instance on this view environment since the
            // view composers may be classes registered in the container, which allows
            // for great testable, flexible composers for the application developer.
            $env->setContainer($app);

            $env->share('app', $app);

            return $env;
        });
    }

    /**
     * Register the view finder implementation.
     *
     * @return void
     */
    public function registerViewFinder()
    {
        $this->app->bind('view.finder', function ($app) {
            $extensions = ['blade.php', 'php', 'css', 'js'];

            return new FileViewFinder($app['files'], $app['config']['view.paths'], $extensions);
        });
    }
}