Current File : /home/vacivi36/code/vendor/rector/rector/rules/CodingStyle/Rector/Plus/UseIncrementAssignRector.php
<?php
declare (strict_types=1);
namespace Rector\CodingStyle\Rector\Plus;
use PhpParser\Node;
use PhpParser\Node\Expr\AssignOp\Minus;
use PhpParser\Node\Expr\AssignOp\Plus;
use PhpParser\Node\Expr\PreDec;
use PhpParser\Node\Expr\PreInc;
use PhpParser\Node\Scalar\LNumber;
use Rector\Core\Rector\AbstractRector;
use Symplify\RuleDocGenerator\ValueObject\CodeSample\CodeSample;
use Symplify\RuleDocGenerator\ValueObject\RuleDefinition;
/**
* @see \Rector\Tests\CodingStyle\Rector\Plus\UseIncrementAssignRector\UseIncrementAssignRectorTest
*/
final class UseIncrementAssignRector extends AbstractRector
{
public function getRuleDefinition() : RuleDefinition
{
return new RuleDefinition('Use ++ increment instead of `$var += 1`', [new CodeSample(<<<'CODE_SAMPLE'
class SomeClass
{
public function run()
{
$style += 1;
}
}
CODE_SAMPLE
, <<<'CODE_SAMPLE'
class SomeClass
{
public function run()
{
++$style;
}
}
CODE_SAMPLE
)]);
}
/**
* @return array<class-string<Node>>
*/
public function getNodeTypes() : array
{
return [Plus::class, Minus::class];
}
/**
* @param Plus|Minus $node
*/
public function refactor(Node $node) : ?Node
{
if (!$node->expr instanceof LNumber) {
return null;
}
if ($node->expr->value !== 1) {
return null;
}
if ($node instanceof Plus) {
return new PreInc($node->var);
}
return new PreDec($node->var);
}
}
Mini Shell