HelperFuncCallToFacadeClassRector.php

<?php

declare(strict_types=1);

namespace RectorLaravel\Rector\FuncCall;

use PhpParser\Node;
use PhpParser\Node\Expr\FuncCall;
use Rector\Rector\AbstractRector;
use Symplify\RuleDocGenerator\ValueObject\CodeSample\CodeSample;
use Symplify\RuleDocGenerator\ValueObject\RuleDefinition;

/**
 * @changelog https://laravel.com/docs/8.x/helpers#method-app
 * @changelog https://github.com/laravel/framework/blob/8.x/src/Illuminate/Foundation/helpers.php
 *
 * @see \RectorLaravel\Tests\Rector\FuncCall\HelperFuncCallToFacadeClassRector\HelperFuncCallToFacadeClassRectorTest
 */
final class HelperFuncCallToFacadeClassRector extends AbstractRector
{
    public function getRuleDefinition(): RuleDefinition
    {
        return new RuleDefinition('Change app() func calls to facade calls', [
            new CodeSample(
                <<<'CODE_SAMPLE'
class SomeClass
{
    public function run()
    {
        return app('translator')->trans('value');
    }
}
CODE_SAMPLE

                ,
                <<<'CODE_SAMPLE'
class SomeClass
{
    public function run()
    {
        return \Illuminate\Support\Facades\App::get('translator')->trans('value');
    }
}
CODE_SAMPLE
            ),
        ]);
    }

    /**
     * @return array<class-string<Node>>
     */
    public function getNodeTypes(): array
    {
        return [FuncCall::class];
    }

    /**
     * @param  FuncCall  $node
     */
    public function refactor(Node $node): ?Node
    {
        if (! $this->isName($node->name, 'app')) {
            return null;
        }

        if (count($node->args) !== 1) {
            return null;
        }

        return $this->nodeFactory->createStaticCall('Illuminate\Support\Facades\App', 'get', $node->args);
    }
}