Symfony Profiler

<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\UX\TwigComponent;
use Psr\EventDispatcher\EventDispatcherInterface;
use Symfony\Component\DependencyInjection\ServiceLocator;
use Symfony\Component\PropertyAccess\PropertyAccessorInterface;
use Symfony\UX\TwigComponent\Attribute\AsTwigComponent;
use Symfony\UX\TwigComponent\Event\PostMountEvent;
use Symfony\UX\TwigComponent\Event\PreMountEvent;
/**
* @author Kevin Bond <kevinbond@gmail.com>
*
* @internal
*/
final class ComponentFactory
{
/**
* @param array<string, array> $config
*/
public function __construct(
private ServiceLocator $components,
private PropertyAccessorInterface $propertyAccessor,
private EventDispatcherInterface $eventDispatcher,
private array $config
) {
}
public function metadataFor(string $name): ComponentMetadata
{
if (!$config = $this->config[$name] ?? null) {
throw new \InvalidArgumentException(sprintf('Unknown component "%s". The registered components are: %s', $name, implode(', ', array_keys($this->config))));
}
return new ComponentMetadata($config);
}
/**
* Creates the component and "mounts" it with the passed data.
*/
public function create(string $name, array $data = []): MountedComponent
{
return $this->mountFromObject(
$this->getComponent($name),
$data,
$this->metadataFor($name)
);
}
/**
* @internal
*/
public function mountFromObject(object $component, array $data, ComponentMetadata $componentMetadata): MountedComponent
{
$originalData = $data;
$data = $this->preMount($component, $data);
$this->mount($component, $data);
// set data that wasn't set in mount on the component directly
foreach ($data as $property => $value) {
if ($this->propertyAccessor->isWritable($component, $property)) {
$this->propertyAccessor->setValue($component, $property, $value);
unset($data[$property]);
}
}
$data = $this->postMount($component, $data);
// create attributes from "attributes" key if exists
$attributesVar = $componentMetadata->getAttributesVar();
$attributes = $data[$attributesVar] ?? [];
unset($data[$attributesVar]);
// ensure remaining data is scalar
foreach ($data as $key => $value) {
if ($value instanceof \Stringable) {
$data[$key] = (string) $value;
continue;
}
if (!\is_scalar($value) && null !== $value) {
throw new \LogicException(sprintf('A "%s" prop was passed when creating the "%s" component. No matching %s property or mount() argument was found, so we attempted to use this as an HTML attribute. But, the value is not a scalar (it\'s a %s). Did you mean to pass this to your component or is there a typo on its name?', $key, $componentMetadata->getName(), $key, get_debug_type($value)));
}
}
return new MountedComponent(
$componentMetadata->getName(),
$component,
new ComponentAttributes(array_merge($attributes, $data)),
$originalData
);
}
/**
* Returns the "unmounted" component.
*/
public function get(string $name): object
{
return $this->getComponent($name);
}
private function mount(object $component, array &$data): void
{
try {
$method = (new \ReflectionClass($component))->getMethod('mount');
} catch (\ReflectionException) {
// no hydrate method
return;
}
$parameters = [];
foreach ($method->getParameters() as $refParameter) {
$name = $refParameter->getName();
if (\array_key_exists($name, $data)) {
$parameters[] = $data[$name];
// remove the data element so it isn't used to set the property directly.
unset($data[$name]);
} elseif ($refParameter->isDefaultValueAvailable()) {
$parameters[] = $refParameter->getDefaultValue();
} else {
throw new \LogicException(sprintf('%s::mount() has a required $%s parameter. Make sure this is passed or make give a default value.', \get_class($component), $refParameter->getName()));
}
}
$component->mount(...$parameters);
}
private function getComponent(string $name): object
{
if (!$this->components->has($name)) {
throw new \InvalidArgumentException(sprintf('Unknown component "%s". The registered components are: %s', $name, implode(', ', array_keys($this->components->getProvidedServices()))));
}
return $this->components->get($name);
}
private function preMount(object $component, array $data): array
{
$event = new PreMountEvent($component, $data);
$this->eventDispatcher->dispatch($event);
$data = $event->getData();
foreach (AsTwigComponent::preMountMethods($component) as $method) {
$newData = $component->{$method->name}($data);
if (null !== $newData) {
$data = $newData;
}
}
return $data;
}
private function postMount(object $component, array $data): array
{
$event = new PostMountEvent($component, $data);
$this->eventDispatcher->dispatch($event);
$data = $event->getData();
foreach (AsTwigComponent::postMountMethods($component) as $method) {
$newData = $component->{$method->name}($data);
if (null !== $newData) {
$data = $newData;
}
}
return $data;
}
}

vendor/symfony/ux-twig-component/src/ComponentFactory.php line 42