vendor/symfony/asset/Packages.php line 81
<?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\Component\Asset;use Symfony\Component\Asset\Exception\InvalidArgumentException;use Symfony\Component\Asset\Exception\LogicException;/*** Helps manage asset URLs.** @author Fabien Potencier <fabien@symfony.com>* @author Kris Wallsmith <kris@symfony.com>*/class Packages{private ?PackageInterface $defaultPackage;private array $packages = [];/*** @param PackageInterface[] $packages Additional packages indexed by name*/public function __construct(PackageInterface $defaultPackage = null, iterable $packages = []){$this->defaultPackage = $defaultPackage;foreach ($packages as $name => $package) {$this->addPackage($name, $package);}}public function setDefaultPackage(PackageInterface $defaultPackage){$this->defaultPackage = $defaultPackage;}public function addPackage(string $name, PackageInterface $package){$this->packages[$name] = $package;}/*** Returns an asset package.** @param string|null $name The name of the package or null for the default package** @throws InvalidArgumentException If there is no package by that name* @throws LogicException If no default package is defined*/public function getPackage(string $name = null): PackageInterface{if (null === $name) {if (null === $this->defaultPackage) {throw new LogicException('There is no default asset package, configure one first.');}return $this->defaultPackage;}if (!isset($this->packages[$name])) {throw new InvalidArgumentException(sprintf('There is no "%s" asset package.', $name));}return $this->packages[$name];}/*** Gets the version to add to public URL.** @param string $path A public path* @param string|null $packageName A package name*/public function getVersion(string $path, string $packageName = null): string{return $this->getPackage($packageName)->getVersion($path);}/*** Returns the public path.** Absolute paths (i.e. http://...) are returned unmodified.** @param string $path A public path* @param string|null $packageName The name of the asset package to use** @return string A public path which takes into account the base path and URL path*/public function getUrl(string $path, string $packageName = null): string{return $this->getPackage($packageName)->getUrl($path);}}