mirror of https://github.com/rectorphp/rector.git
64 lines
1.6 KiB
PHP
64 lines
1.6 KiB
PHP
<?php
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declare (strict_types=1);
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namespace Rector\DeadCode\Rector\Concat;
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use PhpParser\Node;
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use PhpParser\Node\Expr;
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use PhpParser\Node\Expr\BinaryOp\Concat;
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use PhpParser\Node\Expr\Cast\String_;
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use Rector\Rector\AbstractRector;
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use Symplify\RuleDocGenerator\ValueObject\CodeSample\CodeSample;
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use Symplify\RuleDocGenerator\ValueObject\RuleDefinition;
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/**
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* @see \Rector\Tests\DeadCode\Rector\Concat\RemoveConcatAutocastRector\RemoveConcatAutocastRectorTest
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*/
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final class RemoveConcatAutocastRector extends AbstractRector
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{
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public function getRuleDefinition() : RuleDefinition
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{
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return new RuleDefinition('Remove (string) casting when it comes to concat, that does this by default', [new CodeSample(<<<'CODE_SAMPLE'
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class SomeConcatingClass
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{
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public function run($value)
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{
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return 'hi ' . (string) $value;
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}
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}
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CODE_SAMPLE
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, <<<'CODE_SAMPLE'
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class SomeConcatingClass
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{
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public function run($value)
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{
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return 'hi ' . $value;
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}
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}
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CODE_SAMPLE
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)]);
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}
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/**
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* @return array<class-string<Node>>
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*/
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public function getNodeTypes() : array
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{
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return [Concat::class];
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}
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/**
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* @param Concat $node
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*/
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public function refactor(Node $node) : ?Node
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{
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if (!$node->left instanceof String_ && !$node->right instanceof String_) {
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return null;
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}
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$node->left = $this->removeStringCast($node->left);
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$node->right = $this->removeStringCast($node->right);
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return $node;
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}
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private function removeStringCast(Expr $expr) : Expr
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{
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return $expr instanceof String_ ? $expr->expr : $expr;
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}
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}
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