class-alias-loader/src/Plugin.php

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<?php
namespace TYPO3\ClassAliasLoader;

/*
 * This file is part of the class alias loader package.
 *
 * (c) Helmut Hummel <info@helhum.io>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

use Composer\Composer;
use Composer\IO\IOInterface;
use Composer\Plugin\PluginInterface;
use Composer\EventDispatcher\EventSubscriberInterface;

class Plugin implements PluginInterface, EventSubscriberInterface
{
    protected $composer;

    protected $io;

    public function activate(Composer $composer, IOInterface $io)
    {
        $this->composer = $composer;
        $this->io = $io;
    }

    public static function getSubscribedEvents()
    {
        return array(
            'post-autoload-dump' => array('onPostAutoloadDump')
        );
    }

    public function onPostAutoloadDump(\Composer\Script\Event $event)
    {
        $flags = $event->getFlags();
        $config = $event->getComposer()->getConfig();
        $optimizeAutoloadFiles = !empty($flags['optimize']) || $config->get('optimize-autoloader') || $config->get('classmap-authoritative');

        $aliasMapGenerator = new ClassAliasMapGenerator(
            $event->getComposer(),
            $event->getIO(),
            $optimizeAutoloadFiles
        );

        return $aliasMapGenerator->generateAliasMap();
    }

}