function Composer::preAutoloadDump

Add vendor classes to Composer's static classmap.

Parameters

\Composer\Script\Event $event: The event.

File

core/lib/Drupal/Core/Composer/Composer.php, line 21

Class

Composer

Provides static functions for composer script events.

Namespace

Code

public static function preAutoloadDump(Event $event) {
  // Get the configured vendor directory.
  $vendor_dir = $event->getComposer()
    ->getConfig()
    ->get('vendor-dir');
  // We need the root package so we can add our classmaps to its loader.
  $package = $event->getComposer()
    ->getPackage();
  // We need the local repository so that we can query and see if it's likely
  // that our files are present there.
  $repository = $event->getComposer()
    ->getRepositoryManager()
    ->getLocalRepository();
  // This is, essentially, a null constraint. We only care whether the package
  // is present in the vendor directory yet, but findPackage() requires it.
  $constraint = new Constraint('>', '');
  // It's possible that there is no classmap specified in a custom project
  // composer.json file. We need one so we can optimize lookup for some of our
  // dependencies.
  $autoload = $package->getAutoload();
  if (!isset($autoload['classmap'])) {
    $autoload['classmap'] = [];
  }
  // Check for packages used prior to the default classloader being able to
  // use APCu and optimize them if they're present.
  // @see \Drupal\Core\DrupalKernel::boot()
  if ($repository->findPackage('symfony/http-foundation', $constraint)) {
    $autoload['classmap'] = array_merge($autoload['classmap'], [
      $vendor_dir . '/symfony/http-foundation/Request.php',
      $vendor_dir . '/symfony/http-foundation/RequestStack.php',
      $vendor_dir . '/symfony/http-foundation/ParameterBag.php',
      $vendor_dir . '/symfony/http-foundation/FileBag.php',
      $vendor_dir . '/symfony/http-foundation/ServerBag.php',
      $vendor_dir . '/symfony/http-foundation/HeaderBag.php',
      $vendor_dir . '/symfony/http-foundation/HeaderUtils.php',
    ]);
  }
  if ($repository->findPackage('symfony/http-kernel', $constraint)) {
    $autoload['classmap'] = array_merge($autoload['classmap'], [
      $vendor_dir . '/symfony/http-kernel/HttpKernel.php',
      $vendor_dir . '/symfony/http-kernel/HttpKernelInterface.php',
      $vendor_dir . '/symfony/http-kernel/TerminableInterface.php',
    ]);
  }
  if ($repository->findPackage('symfony/dependency-injection', $constraint)) {
    $autoload['classmap'] = array_merge($autoload['classmap'], [
      $vendor_dir . '/symfony/dependency-injection/ContainerAwareInterface.php',
      $vendor_dir . '/symfony/dependency-injection/ContainerInterface.php',
    ]);
  }
  if ($repository->findPackage('psr/container', $constraint)) {
    $autoload['classmap'] = array_merge($autoload['classmap'], [
      $vendor_dir . '/psr/container/src/ContainerInterface.php',
    ]);
  }
  $package->setAutoload($autoload);
}