rector/src/Reporting/MissingRectorRulesReporter.php

<?php

declare(strict_types=1);

namespace Rector\Core\Reporting;

use Rector\Core\Contract\Rector\RectorInterface;
use Rector\PostRector\Contract\Rector\PostRectorInterface;
use Symfony\Component\Console\Style\SymfonyStyle;
use Symplify\PackageBuilder\Console\ShellCode;

final class MissingRectorRulesReporter
{
    /**
     * @var SymfonyStyle
     */
    private $symfonyStyle;

    /**
     * @var RectorInterface[]
     */
    private $rectors = [];

    /**
     * @param RectorInterface[] $rectors
     */
    public function __construct(array $rectors, SymfonyStyle $symfonyStyle)
    {
        $this->symfonyStyle = $symfonyStyle;
        $this->rectors = $rectors;
    }

    public function reportIfMissing(): ?int
    {
        $activeRectors = array_filter($this->rectors, function (RectorInterface $rector): bool {
            return ! $rector instanceof PostRectorInterface;
        });

        if ($activeRectors !== []) {
            return null;
        }

        $this->report();

        return ShellCode::ERROR;
    }

    public function report(): void
    {
        $this->symfonyStyle->warning('We could not find any Rector rules to run. You have 2 options to add them:');

        $this->symfonyStyle->title('1. Add single rule to "rector.php"');
        $this->symfonyStyle->writeln('  $services = $containerConfigurator->services();');
        $this->symfonyStyle->writeln('  $services->set(...);');
        $this->symfonyStyle->newLine(1);

        $this->symfonyStyle->title('2. Add set of rules to "rector.php"');
        $this->symfonyStyle->writeln('  $containerConfigurator->import(SetList::...);');
        $this->symfonyStyle->newLine(1);

        $this->symfonyStyle->title('Missing "rector.php" in your project? Let Rector create it for you');
        $this->symfonyStyle->writeln('  vendor/bin/rector init');
        $this->symfonyStyle->newLine();
    }
}