✏️ Editing: TypedPropertyFromAssignsRector.php Read Only

<?php

declare (strict_types=1);
namespace Rector\TypeDeclaration\Rector\Property;

use PhpParser\Node;
use PhpParser\Node\Expr;
use PhpParser\Node\NullableType;
use PhpParser\Node\Stmt\Class_;
use PhpParser\Node\Stmt\Property;
use PhpParser\Node\UnionType as NodeUnionType;
use PHPStan\Reflection\ClassReflection;
use PHPStan\Type\MixedType;
use PHPStan\Type\Type;
use PHPStan\Type\TypeCombinator;
use PHPStan\Type\UnionType;
use Rector\BetterPhpDocParser\PhpDocInfo\PhpDocInfoFactory;
use Rector\Contract\Rector\ConfigurableRectorInterface;
use Rector\DeadCode\PhpDoc\TagRemover\VarTagRemover;
use Rector\Doctrine\CodeQuality\Enum\CollectionMapping;
use Rector\Doctrine\Enum\MappingClass;
use Rector\Doctrine\NodeAnalyzer\AttrinationFinder;
use Rector\Php74\Guard\MakePropertyTypedGuard;
use Rector\PhpParser\Node\Value\ValueResolver;
use Rector\PHPStanStaticTypeMapper\Enum\TypeKind;
use Rector\Rector\AbstractRector;
use Rector\Reflection\ReflectionResolver;
use Rector\StaticTypeMapper\StaticTypeMapper;
use Rector\TypeDeclaration\NodeTypeAnalyzer\PropertyTypeDecorator;
use Rector\TypeDeclaration\TypeInferer\PropertyTypeInferer\AllAssignNodePropertyTypeInferer;
use Rector\ValueObject\PhpVersionFeature;
use Rector\VersionBonding\Contract\MinPhpVersionInterface;
use Symplify\RuleDocGenerator\ValueObject\CodeSample\ConfiguredCodeSample;
use Symplify\RuleDocGenerator\ValueObject\RuleDefinition;
/**
 * @see \Rector\Tests\TypeDeclaration\Rector\Property\TypedPropertyFromAssignsRector\TypedPropertyFromAssignsRectorTest
 */
final class TypedPropertyFromAssignsRector extends AbstractRector implements MinPhpVersionInterface, ConfigurableRectorInterface
{
    /**
     * @readonly
     * @var \Rector\TypeDeclaration\TypeInferer\PropertyTypeInferer\AllAssignNodePropertyTypeInferer
     */
    private $allAssignNodePropertyTypeInferer;
    /**
     * @readonly
     * @var \Rector\TypeDeclaration\NodeTypeAnalyzer\PropertyTypeDecorator
     */
    private $propertyTypeDecorator;
    /**
     * @readonly
     * @var \Rector\DeadCode\PhpDoc\TagRemover\VarTagRemover
     */
    private $varTagRemover;
    /**
     * @readonly
     * @var \Rector\Php74\Guard\MakePropertyTypedGuard
     */
    private $makePropertyTypedGuard;
    /**
     * @readonly
     * @var \Rector\Reflection\ReflectionResolver
     */
    private $reflectionResolver;
    /**
     * @readonly
     * @var \Rector\BetterPhpDocParser\PhpDocInfo\PhpDocInfoFactory
     */
    private $phpDocInfoFactory;
    /**
     * @readonly
     * @var \Rector\PhpParser\Node\Value\ValueResolver
     */
    private $valueResolver;
    /**
     * @readonly
     * @var \Rector\StaticTypeMapper\StaticTypeMapper
     */
    private $staticTypeMapper;
    /**
     * @readonly
     * @var \Rector\Doctrine\NodeAnalyzer\AttrinationFinder
     */
    private $attrinationFinder;
    /**
     * @api
     * @var string
     */
    public const INLINE_PUBLIC = 'inline_public';
    /**
     * Default to false, which only apply changes:
     *
     *  – private modifier property
     *  - protected modifier property on final class without extends or has extends but property and/or its usage only in current class
     *
     * Set to true will allow change other modifiers as well as far as not forbidden, eg: callable type, null type, etc.
     * @var bool
     */
    private $inlinePublic = \false;
    public function __construct(AllAssignNodePropertyTypeInferer $allAssignNodePropertyTypeInferer, PropertyTypeDecorator $propertyTypeDecorator, VarTagRemover $varTagRemover, MakePropertyTypedGuard $makePropertyTypedGuard, ReflectionResolver $reflectionResolver, PhpDocInfoFactory $phpDocInfoFactory, ValueResolver $valueResolver, StaticTypeMapper $staticTypeMapper, AttrinationFinder $attrinationFinder)
    {
        $this->allAssignNodePropertyTypeInferer = $allAssignNodePropertyTypeInferer;
        $this->propertyTypeDecorator = $propertyTypeDecorator;
        $this->varTagRemover = $varTagRemover;
        $this->makePropertyTypedGuard = $makePropertyTypedGuard;
        $this->reflectionResolver = $reflectionResolver;
        $this->phpDocInfoFactory = $phpDocInfoFactory;
        $this->valueResolver = $valueResolver;
        $this->staticTypeMapper = $staticTypeMapper;
        $this->attrinationFinder = $attrinationFinder;
    }
    public function configure(array $configuration) : void
    {
        $this->inlinePublic = $configuration[self::INLINE_PUBLIC] ?? (bool) \current($configuration);
    }
    public function getRuleDefinition() : RuleDefinition
    {
        return new RuleDefinition('Add typed property from assigned types', [new ConfiguredCodeSample(<<<'CODE_SAMPLE'
final class SomeClass
{
    private $name;

public function run()
    {
        $this->name = 'string';
    }
}
CODE_SAMPLE
, <<<'CODE_SAMPLE'
final class SomeClass
{
    private string|null $name = null;

public function run()
    {
        $this->name = 'string';
    }
}
CODE_SAMPLE
, [self::INLINE_PUBLIC => \false])]);
    }
    /**
     * @return array<class-string<Node>>
     */
    public function getNodeTypes() : array
    {
        return [Class_::class];
    }
    public function provideMinPhpVersion() : int
    {
        return PhpVersionFeature::TYPED_PROPERTIES;
    }
    /**
     * @param Class_ $node
     */
    public function refactor(Node $node) : ?Node
    {
        $hasChanged = \false;
        $classReflection = null;
        foreach ($node->getProperties() as $property) {
            // non-private property can be anything with not inline public configured
            if (!$property->isPrivate() && !$this->inlinePublic) {
                continue;
            }
            if ($this->isDoctrineMappedProperty($property)) {
                continue;
            }
            if (!$classReflection instanceof ClassReflection) {
                $classReflection = $this->reflectionResolver->resolveClassReflection($node);
            }
            if (!$classReflection instanceof ClassReflection) {
                return null;
            }
            if (!$this->makePropertyTypedGuard->isLegal($property, $classReflection, $this->inlinePublic)) {
                continue;
            }
            $inferredType = $this->allAssignNodePropertyTypeInferer->inferProperty($property, $classReflection, $this->file);
            if (!$inferredType instanceof Type) {
                continue;
            }
            if ($inferredType instanceof MixedType) {
                continue;
            }
            $inferredType = $this->decorateTypeWithNullableIfDefaultPropertyNull($property, $inferredType);
            $typeNode = $this->staticTypeMapper->mapPHPStanTypeToPhpParserNode($inferredType, TypeKind::PROPERTY);
            if (!$typeNode instanceof Node) {
                continue;
            }
            $hasChanged = \true;
            $phpDocInfo = $this->phpDocInfoFactory->createFromNodeOrEmpty($property);
            if ($inferredType instanceof UnionType && ($typeNode instanceof NodeUnionType || $typeNode instanceof NullableType)) {
                $this->propertyTypeDecorator->decoratePropertyUnionType($inferredType, $typeNode, $property, $phpDocInfo, \false);
            } else {
                $property->type = $typeNode;
            }
            if (!$property->type instanceof Node) {
                continue;
            }
            $this->varTagRemover->removeVarTagIfUseless($phpDocInfo, $property);
        }
        if ($hasChanged) {
            return $node;
        }
        return null;
    }
    private function decorateTypeWithNullableIfDefaultPropertyNull(Property $property, Type $inferredType) : Type
    {
        $defaultExpr = $property->props[0]->default;
        if (!$defaultExpr instanceof Expr) {
            return $inferredType;
        }
        if (!$this->valueResolver->isNull($defaultExpr)) {
            return $inferredType;
        }
        if (TypeCombinator::containsNull($inferredType)) {
            return $inferredType;
        }
        return TypeCombinator::addNull($inferredType);
    }
    /**
     * Doctrine properties are handled in doctrine rules
     */
    private function isDoctrineMappedProperty(Property $property) : bool
    {
        $mappingClasses = \array_merge(CollectionMapping::TO_MANY_CLASSES, CollectionMapping::TO_ONE_CLASSES, [MappingClass::COLUMN]);
        return $this->attrinationFinder->hasByMany($property, $mappingClasses);
    }
}

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