Rule source on GitHub

CommandPropertyToAsCommandAttributeRector

Changes the name/signature and description properties of a console command to the AsCommand attribute

 use Illuminate\Console\Command;
+use Symfony\Component\Console\Attribute\AsCommand;
+use Symfony\Component\Console\Input\InputArgument;
+use Symfony\Component\Console\Input\InputOption;

+#[AsCommand(name: 'mail:send', description: 'Send the queued emails')]
 class SendEmails extends Command
 {
-    protected $signature = 'mail:send {user} {--queue}';
+    protected function getArguments(): array
+    {
+        return [new InputArgument('user', InputArgument::REQUIRED)];
+    }

-    protected $description = 'Send the queued emails';
+    protected function getOptions(): array
+    {
+        return [new InputOption('queue', null, InputOption::VALUE_NONE)];
+    }
 }

Configure your rector.php:

<?php

use RectorLaravel\Rector\Class_\CommandPropertyToAsCommandAttributeRector;
use Rector\Config\RectorConfig;

return RectorConfig::configure()
    ->withRules([
        CommandPropertyToAsCommandAttributeRector::class,
    ]);

PACKAGE: laravel/framework >=9.0