Rector config example

rector.php

<?php

use Rector\CodeQuality\Rector\ClassMethod\ExplicitReturnNullRector;
use Rector\CodeQuality\Rector\If_\ConsecutiveNullCompareReturnsToNullCoalesceQueueRector;
use Rector\CodeQuality\Rector\Isset_\IssetOnPropertyObjectToPropertyExistsRector;
use Rector\CodingStyle\Rector\ArrowFunction\StaticArrowFunctionRector;
use Rector\CodingStyle\Rector\Closure\StaticClosureRector;
use Rector\CodingStyle\Rector\Encapsed\EncapsedStringsToSprintfRector;
use Rector\CodingStyle\Rector\PostInc\PostIncDecToPreIncDecRector;
use Rector\CodingStyle\Rector\Use_\SeparateMultiUseImportsRector;
use Rector\Config\RectorConfig;
use Rector\DeadCode\Rector\TryCatch\RemoveDeadTryCatchRector;
use Rector\Php73\Rector\FuncCall\JsonThrowOnErrorRector;
use Rector\Php74\Rector\Closure\ClosureToArrowFunctionRector;
use Rector\Php74\Rector\LNumber\AddLiteralSeparatorToNumberRector;
use Rector\Php81\Rector\Array_\FirstClassCallableRector;
use Rector\Renaming\Rector\Name\RenameClassRector;
use Rector\Set\ValueObject\LevelSetList;
use Rector\TypeDeclaration\Rector\StmtsAwareInterface\DeclareStrictTypesRector;
use RectorLaravel\Rector\Class_\AnonymousMigrationsRector;
use RectorLaravel\Rector\ClassMethod\AddGenericReturnTypeToRelationsRector;
use RectorLaravel\Rector\Empty_\EmptyToBlankAndFilledFuncRector;
use RectorLaravel\Rector\StaticCall\EloquentMagicMethodToQueryBuilderRector;
use RectorLaravel\Set\LaravelLevelSetList;

return RectorConfig::configure()
    ->withPaths([
        __DIR__.'/app',
        __DIR__.'/database',
        __DIR__.'/routes',
    ])
    ->withImportNames(
        importNames: true,
        importDocBlockNames: false,
        importShortClasses: true,
        removeUnusedImports: true,
    )
    ->withPreparedSets(
        deadCode: true,
        codeQuality: true,
        codingStyle: true,
        typeDeclarations: false,
        privatization: false,
        naming: false,
        instanceOf: true,
        earlyReturn: true,
        strictBooleans: false,
        carbon: true,
        rectorPreset: true,
    )
    ->withSets([
        LevelSetList::UP_TO_PHP_83,
        LaravelLevelSetList::UP_TO_LARAVEL_110,
    ])
    ->withRules([
        AddLiteralSeparatorToNumberRector::class,
        AddGenericReturnTypeToRelationsRector::class,
        EmptyToBlankAndFilledFuncRector::class,
        EloquentMagicMethodToQueryBuilderRector::class,
        AnonymousMigrationsRector::class,
        // RemoveDumpDataDeadCodeRector::class,
    ])
    ->withConfiguredRule(RenameClassRector::class, [
        'Illuminate\\Support\\Carbon' => 'Carbon\\Carbon',
    ])
    ->withSkip([
        __DIR__.'/app/Annotations',

        DeclareStrictTypesRector::class,
        EncapsedStringsToSprintfRector::class,
        PostIncDecToPreIncDecRector::class,
        JsonThrowOnErrorRector::class,
        StaticClosureRector::class,
        StaticArrowFunctionRector::class,
        IssetOnPropertyObjectToPropertyExistsRector::class,
        FirstClassCallableRector::class,
        SeparateMultiUseImportsRector::class,
        ExplicitReturnNullRector::class,
        RemoveDeadTryCatchRector::class,
        FirstClassCallableRector::class,
        ConsecutiveNullCompareReturnsToNullCoalesceQueueRector::class,
        EmptyToBlankAndFilledFuncRector::class,

        ClosureToArrowFunctionRector::class => [
            __DIR__.'/routes',
        ],
        EloquentMagicMethodToQueryBuilderRector::class => [
            __DIR__.'/app/Http/Controllers/V2/ObservationController.php',
        ],
    ])
    ->withCache();