rector-recipe.php

<?php

declare (strict_types=1);
namespace RectorPrefix202208;

use PhpParser\Node\Expr\MethodCall;
use PhpParser\Node\Stmt\Namespace_;
use Rector\Core\PhpParser\Node\CustomNode\FileWithoutNamespace;
use Rector\RectorGenerator\Provider\RectorRecipeProvider;
use Rector\RectorGenerator\ValueObject\Option;
use RectorPrefix202208\Symfony\Component\DependencyInjection\Loader\Configurator\ContainerConfigurator;
// run "bin/rector generate" to a new Rector basic schema + tests from this config
return static function (ContainerConfigurator $containerConfigurator) : void {
    $services = $containerConfigurator->services();
    // [REQUIRED]
    $rectorRecipeConfiguration = [
        // [RECTOR CORE CONTRIBUTION - REQUIRED]
        // package name, basically namespace part in `rules/<package>/src`, use PascalCase
        Option::PACKAGE => 'Naming',
        // name, basically short class name; use PascalCase
        Option::NAME => 'JoomlaLegacyToNamespacedRector',
        // 1+ node types to change, pick from classes here https://github.com/nikic/PHP-Parser/tree/master/lib/PhpParser/Node
        // the best practise is to have just 1 type here if possible, and make separated rule for other node types
        Option::NODE_TYPES => [FileWithoutNamespace::class, Namespace_::class],
        // describe what the rule does
        Option::DESCRIPTION => 'Convert legacy Joomla 3 MVC class names into Joomla 4 namespaced ones.',
        // code before change
        // this is used for documentation and first test fixture
        Option::CODE_BEFORE => <<<'CODE_SAMPLE'
/** @var FooModelBar $someModel */
$model = new FooModelBar;
CODE_SAMPLE
,
        // code after change
        Option::CODE_AFTER => <<<'CODE_SAMPLE'
/** @var \Acme\Foo\BarModel $someModel */
$model = new BarModel;
CODE_SAMPLE
,
    ];
    $services->set(RectorRecipeProvider::class)->arg('$rectorRecipeConfiguration', $rectorRecipeConfiguration);
};