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Mini Shell
<?php
declare (strict_types=1);
namespace Rector\Transform\Rector\Class_;
use PhpParser\Node;
use PhpParser\Node\Name;
use PhpParser\Node\Stmt\Class_;
use PhpParser\Node\Stmt\Interface_;
use Rector\Core\Contract\Rector\ConfigurableRectorInterface;
use Rector\Core\Rector\AbstractRector;
use Symplify\RuleDocGenerator\ValueObject\CodeSample\ConfiguredCodeSample;
use Symplify\RuleDocGenerator\ValueObject\RuleDefinition;
use RectorPrefix202209\Webmozart\Assert\Assert;
/**
* Covers cases like
* - https://github.com/FriendsOfPHP/PHP-CS-Fixer/commit/a1cdb4d2dd8f45d731244eed406e1d537218cc66
* - https://github.com/FriendsOfPHP/PHP-CS-Fixer/commit/614d2e6f7af5a5b0be5363ff536aed2b7ee5a31d
*
* @see \Rector\Tests\Transform\Rector\Class_\MergeInterfacesRector\MergeInterfacesRectorTest
*/
final class MergeInterfacesRector extends AbstractRector implements ConfigurableRectorInterface
{
/**
* @var array<string, string>
*/
private $oldToNewInterfaces = [];
public function getRuleDefinition() : RuleDefinition
{
return new RuleDefinition('Merges old interface to a new one, that already has its methods', [new ConfiguredCodeSample(<<<'CODE_SAMPLE'
class SomeClass implements SomeInterface, SomeOldInterface
{
}
CODE_SAMPLE
, <<<'CODE_SAMPLE'
class SomeClass implements SomeInterface
{
}
CODE_SAMPLE
, ['SomeOldInterface' => 'SomeInterface'])]);
}
/**
* @return array<class-string<Node>>
*/
public function getNodeTypes() : array
{
return [Class_::class];
}
/**
* @param Class_ $node
*/
public function refactor(Node $node) : ?Node
{
if ($node->implements === []) {
return null;
}
$hasChanged = \false;
foreach ($node->implements as $key => $implement) {
$oldInterfaces = \array_keys($this->oldToNewInterfaces);
if (!$this->isNames($implement, $oldInterfaces)) {
continue;
}
$interface = $this->getName($implement);
$node->implements[$key] = new Name($this->oldToNewInterfaces[$interface]);
$hasChanged = \true;
}
if (!$hasChanged) {
return null;
}
$this->makeImplementsUnique($node);
return $node;
}
/**
* @param mixed[] $configuration
*/
public function configure(array $configuration) : void
{
Assert::allString(\array_keys($configuration));
Assert::allString($configuration);
$this->oldToNewInterfaces = $configuration;
}
private function makeImplementsUnique(Class_ $class) : void
{
$alreadyAddedNames = [];
/** @var array<int, Interface_> $implements */
$implements = $class->implements;
foreach ($implements as $key => $name) {
$fqnName = $this->getName($name);
if (\in_array($fqnName, $alreadyAddedNames, \true)) {
unset($class->implements[$key]);
continue;
}
$alreadyAddedNames[] = $fqnName;
}
}
}
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