rector/rules/CodeQuality/Rector/Ternary/SwitchNegatedTernaryRector.php

73 lines
1.9 KiB
PHP

<?php
declare (strict_types=1);
namespace Rector\CodeQuality\Rector\Ternary;
use PhpParser\Node;
use PhpParser\Node\Expr;
use PhpParser\Node\Expr\BooleanNot;
use PhpParser\Node\Expr\Ternary;
use Rector\NodeTypeResolver\Node\AttributeKey;
use Rector\Rector\AbstractRector;
use Symplify\RuleDocGenerator\ValueObject\CodeSample\CodeSample;
use Symplify\RuleDocGenerator\ValueObject\RuleDefinition;
/**
* @see \Rector\Tests\CodeQuality\Rector\Ternary\SwitchNegatedTernaryRector\SwitchNegatedTernaryRectorTest
*/
final class SwitchNegatedTernaryRector extends AbstractRector
{
public function getRuleDefinition() : RuleDefinition
{
return new RuleDefinition('Switch negated ternary condition rector', [new CodeSample(<<<'CODE_SAMPLE'
class SomeClass
{
public function run(bool $upper, string $name)
{
return ! $upper
? $name
: strtoupper($name);
}
}
CODE_SAMPLE
, <<<'CODE_SAMPLE'
class SomeClass
{
public function run(bool $upper, string $name)
{
return $upper
? strtoupper($name)
: $name;
}
}
CODE_SAMPLE
)]);
}
/**
* @return array<class-string<Node>>
*/
public function getNodeTypes() : array
{
return [Ternary::class];
}
/**
* @param Ternary $node
*/
public function refactor(Node $node) : ?Node
{
if (!$node->cond instanceof BooleanNot) {
return null;
}
if (!$node->if instanceof Expr) {
return null;
}
$node->cond = $node->cond->expr;
[$node->if, $node->else] = [$node->else, $node->if];
if ($node->if instanceof Ternary) {
$ternary = $node->if;
$ternary->setAttribute(AttributeKey::KIND, 'wrapped_with_brackets');
$ternary->setAttribute(AttributeKey::ORIGINAL_NODE, null);
}
return $node;
}
}