Lazy-loaded artisan console commands

ContainerCommandLoader.php

<?php

namespace App\Console;

use Psr\Container\ContainerInterface;
use Symfony\Component\Console\CommandLoader\CommandLoaderInterface;
use Symfony\Component\Console\Exception\CommandNotFoundException;

class ContainerCommandLoader implements CommandLoaderInterface
{
    private $container;
    private $commandMap;

    /**
     * @param ContainerInterface $container  A container from which to load command services
     * @param array              $commandMap An array with command names as keys and service ids as values
     */
    public function __construct(ContainerInterface $container, array $commandMap)
    {
        $this->container = $container;
        $this->commandMap = $commandMap;
    }

    /**
     * {@inheritdoc}
     */
    public function get($name)
    {
        if (!$this->has($name)) {
            throw new CommandNotFoundException(sprintf('Command "%s" does not exist.', $name));
        }

        return $this->container->get($this->commandMap[$name]);
    }

    /**
     * {@inheritdoc}
     */
    public function has($name)
    {
        //return isset($this->commandMap[$name]) && $this->container->has($this->commandMap[$name]);
        return $name && isset($this->commandMap[$name]);
    }

    /**
     * {@inheritdoc}
     */
    public function getNames()
    {
        return array_keys($this->commandMap);
    }
}

Kernel.php

<?php

namespace App\Console;

use Illuminate\Console\Command;
use Illuminate\Console\Scheduling\Schedule;
use Illuminate\Foundation\Console\Kernel as ConsoleKernel;
use Illuminate\Support\Arr;
use Illuminate\Support\Str;
use ReflectionClass;
use Symfony\Component\Finder\Finder;
use Illuminate\Console\Application as Artisan;

class Kernel extends ConsoleKernel
{
    /**
     * The Artisan commands provided by your application.
     *
     * @var array
     */
    protected $commands = [
    ];

    protected $commandMap = [];

    /**
     * Define the application's command schedule.
     *
     * @param  \Illuminate\Console\Scheduling\Schedule  $schedule
     *
     * @return void
     */
    protected function schedule(Schedule $schedule)
    {
    }

    /**
     * Register the commands for the application.
     *
     * @return void
     */
    protected function commands()
    {
        $this->load(__DIR__.'/Commands');

        require base_path('routes/console.php');
    }

    // override parent
    protected function getArtisan()
    {
        if (is_null($this->artisan)) {
            $this->artisan = (new Artisan($this->app, $this->events, $this->app->version()))
                ->resolveCommands($this->commands);

            $this->artisan->setCommandLoader(new ContainerCommandLoader($this->app, $this->commandMap));

            return $this->artisan;
        }

        return $this->artisan;
    }

    // override parent
    protected function load($paths)
    {
        $paths = array_unique(Arr::wrap($paths));

        $paths = array_filter($paths, function ($path) {
            return is_dir($path);
        });

        if (empty($paths)) {
            return;
        }

        $namespace = $this->app->getNamespace();

        foreach ((new Finder())->in($paths)->files() as $command) {
            $command = $namespace.str_replace(
                    ['/', '.php'],
                    ['\\', ''],
                    Str::after($command->getPathname(), app_path().DIRECTORY_SEPARATOR)
                );

            if (is_subclass_of($command, Command::class) &&
                !(new ReflectionClass($command))->isAbstract()) {
                $commandName = $command::getDefaultName();
                if ($commandName) {
                    $this->commandMap[$commandName] = $command;
                    continue;
                }

                Artisan::starting(function ($artisan) use ($command) {
                    $artisan->resolve($command);
                });
            }
        }
    }
}