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<?php |
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namespace TheCodingMachine\GraphQL\Controllers\Mappers; |
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use function array_map; |
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use function array_merge; |
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use function array_unique; |
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use GraphQL\Type\Definition\InputObjectType; |
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use GraphQL\Type\Definition\InputType; |
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use GraphQL\Type\Definition\ObjectType; |
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use GraphQL\Type\Definition\OutputType; |
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use GraphQL\Type\Definition\Type; |
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use function is_array; |
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use function iterator_to_array; |
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use TheCodingMachine\GraphQL\Controllers\Types\MutableObjectType; |
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class CompositeTypeMapper implements TypeMapperInterface |
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{ |
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/** |
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* @var TypeMapperInterface[] |
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*/ |
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private $typeMappers; |
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/** |
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* The cache of supported classes. |
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* |
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* @var string[] |
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*/ |
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private $supportedClasses; |
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/** |
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* @param TypeMapperInterface[] $typeMappers |
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*/ |
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public function __construct(iterable $typeMappers) |
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{ |
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$this->typeMappers = is_array($typeMappers) ? $typeMappers: iterator_to_array($typeMappers); |
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} |
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/** |
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* Returns true if this type mapper can map the $className FQCN to a GraphQL type. |
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* |
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* @param string $className |
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* @return bool |
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*/ |
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public function canMapClassToType(string $className): bool |
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{ |
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foreach ($this->typeMappers as $typeMapper) { |
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if ($typeMapper->canMapClassToType($className)) { |
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return true; |
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} |
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} |
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return false; |
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} |
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/** |
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* Maps a PHP fully qualified class name to a GraphQL type. |
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* |
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* @param string $className |
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* @param OutputType|null $subType |
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* @param RecursiveTypeMapperInterface $recursiveTypeMapper |
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* @return MutableObjectType |
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* @throws CannotMapTypeExceptionInterface |
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*/ |
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public function mapClassToType(string $className, ?OutputType $subType, RecursiveTypeMapperInterface $recursiveTypeMapper): MutableObjectType |
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{ |
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foreach ($this->typeMappers as $typeMapper) { |
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if ($typeMapper->canMapClassToType($className)) { |
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return $typeMapper->mapClassToType($className, $subType, $recursiveTypeMapper); |
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} |
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} |
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throw CannotMapTypeException::createForType($className); |
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} |
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/** |
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* Returns the list of classes that have matching input GraphQL types. |
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* |
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* @return string[] |
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*/ |
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public function getSupportedClasses(): array |
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{ |
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if ($this->supportedClasses === null) { |
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if ($this->typeMappers === []) { |
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$this->supportedClasses = []; |
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} else { |
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$supportedClassesArrays = array_map(function(TypeMapperInterface $typeMapper) { return $typeMapper->getSupportedClasses(); }, $this->typeMappers); |
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$this->supportedClasses = array_unique(array_merge(...$supportedClassesArrays)); |
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} |
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} |
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return $this->supportedClasses; |
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} |
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/** |
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* Returns true if this type mapper can map the $className FQCN to a GraphQL input type. |
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* |
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* @param string $className |
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* @return bool |
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*/ |
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public function canMapClassToInputType(string $className): bool |
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{ |
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foreach ($this->typeMappers as $typeMapper) { |
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if ($typeMapper->canMapClassToInputType($className)) { |
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return true; |
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} |
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} |
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return false; |
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} |
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/** |
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* Maps a PHP fully qualified class name to a GraphQL input type. |
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* |
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* @param string $className |
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* @param RecursiveTypeMapperInterface $recursiveTypeMapper |
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* @return InputObjectType |
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* @throws CannotMapTypeExceptionInterface |
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*/ |
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public function mapClassToInputType(string $className, RecursiveTypeMapperInterface $recursiveTypeMapper): InputObjectType |
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{ |
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foreach ($this->typeMappers as $typeMapper) { |
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if ($typeMapper->canMapClassToInputType($className)) { |
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return $typeMapper->mapClassToInputType($className, $recursiveTypeMapper); |
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} |
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} |
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throw CannotMapTypeException::createForInputType($className); |
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} |
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/** |
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* Returns a GraphQL type by name (can be either an input or output type) |
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* |
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* @param string $typeName The name of the GraphQL type |
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* @param RecursiveTypeMapperInterface $recursiveTypeMapper |
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* @return Type&(InputType|OutputType) |
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*/ |
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public function mapNameToType(string $typeName, RecursiveTypeMapperInterface $recursiveTypeMapper): Type |
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{ |
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foreach ($this->typeMappers as $typeMapper) { |
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if ($typeMapper->canMapNameToType($typeName)) { |
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return $typeMapper->mapNameToType($typeName, $recursiveTypeMapper); |
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} |
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} |
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throw CannotMapTypeException::createForName($typeName); |
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} |
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/** |
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* Returns true if this type mapper can map the $typeName GraphQL name to a GraphQL type. |
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* |
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* @param string $typeName The name of the GraphQL type |
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* @return bool |
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*/ |
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public function canMapNameToType(string $typeName): bool |
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{ |
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foreach ($this->typeMappers as $typeMapper) { |
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if ($typeMapper->canMapNameToType($typeName)) { |
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return true; |
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} |
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} |
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return false; |
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} |
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/** |
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* Returns true if this type mapper can extend an existing type for the $className FQCN |
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* |
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* @param string $className |
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* @param MutableObjectType $type |
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* @return bool |
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*/ |
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public function canExtendTypeForClass(string $className, MutableObjectType $type, RecursiveTypeMapperInterface $recursiveTypeMapper): bool |
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{ |
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foreach ($this->typeMappers as $typeMapper) { |
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if ($typeMapper->canExtendTypeForClass($className, $type, $recursiveTypeMapper)) { |
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return true; |
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} |
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} |
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return false; |
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} |
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/** |
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* Extends the existing GraphQL type that is mapped to $className. |
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* |
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* @param string $className |
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* @param MutableObjectType $type |
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* @param RecursiveTypeMapperInterface $recursiveTypeMapper |
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* @throws CannotMapTypeExceptionInterface |
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*/ |
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public function extendTypeForClass(string $className, MutableObjectType $type, RecursiveTypeMapperInterface $recursiveTypeMapper): void |
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{ |
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foreach ($this->typeMappers as $typeMapper) { |
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if ($typeMapper->canExtendTypeForClass($className, $type, $recursiveTypeMapper)) { |
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$typeMapper->extendTypeForClass($className, $type, $recursiveTypeMapper); |
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} |
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} |
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} |
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/** |
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* Returns true if this type mapper can extend an existing type for the $typeName GraphQL type |
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* |
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* @param string $typeName |
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* @param MutableObjectType $type |
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* @return bool |
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*/ |
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public function canExtendTypeForName(string $typeName, MutableObjectType $type, RecursiveTypeMapperInterface $recursiveTypeMapper): bool |
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{ |
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foreach ($this->typeMappers as $typeMapper) { |
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if ($typeMapper->canExtendTypeForName($typeName, $type, $recursiveTypeMapper)) { |
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return true; |
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} |
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} |
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return false; |
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} |
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/** |
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* Extends the existing GraphQL type that is mapped to the $typeName GraphQL type. |
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* |
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* @param string $typeName |
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* @param MutableObjectType $type |
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* @param RecursiveTypeMapperInterface $recursiveTypeMapper |
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* @throws CannotMapTypeExceptionInterface |
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*/ |
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public function extendTypeForName(string $typeName, MutableObjectType $type, RecursiveTypeMapperInterface $recursiveTypeMapper): void |
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{ |
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foreach ($this->typeMappers as $typeMapper) { |
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if ($typeMapper->canExtendTypeForName($typeName, $type, $recursiveTypeMapper)) { |
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$typeMapper->extendTypeForName($typeName, $type, $recursiveTypeMapper); |
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} |
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} |
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} |
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} |
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thecodingmachine /
graphql-controllers
