Composer::preAutoloadDump

public static Composer::preAutoloadDump(Event $event)

public static function preAutoloadDump(Event $event) {
  // 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 vendor/ yet, but findPackage() requires it.
  $constraint = new Constraint('>', '');
  // Check for our packages, and then optimize them if they're present.
  if ($repository->findPackage('symfony/http-foundation', $constraint)) {
    $autoload = $package->getAutoload();
    $autoload['classmap'] = array_merge($autoload['classmap'], array(
      'vendor/symfony/http-foundation/Request.php',
      'vendor/symfony/http-foundation/ParameterBag.php',
      'vendor/symfony/http-foundation/FileBag.php',
      'vendor/symfony/http-foundation/ServerBag.php',
      'vendor/symfony/http-foundation/HeaderBag.php',
    ));
    $package->setAutoload($autoload);
  }
  if ($repository->findPackage('symfony/http-kernel', $constraint)) {
    $autoload = $package->getAutoload();
    $autoload['classmap'] = array_merge($autoload['classmap'], array(
      'vendor/symfony/http-kernel/HttpKernel.php',
      'vendor/symfony/http-kernel/HttpKernelInterface.php',
      'vendor/symfony/http-kernel/TerminableInterface.php',
    ));
    $package->setAutoload($autoload);
  }
}