DrupalCoreRecommendedBuilder.php

<?php

namespace Drupal\Composer\Generator\Builder;

use Drupal\Composer\Composer;

/**
 * Builder to produce metapackage for drupal/core-recommended.
 */
class DrupalCoreRecommendedBuilder extends DrupalPackageBuilder {
    
    /**
     * {@inheritdoc}
     */
    public function getPath() {
        return 'CoreRecommended';
    }
    
    /**
     * {@inheritdoc}
     */
    public function getPackage() {
        $composer = $this->initialPackageMetadata();
        // Pull up the composer lock data.
        $composerLockData = $this->drupalCoreInfo
            ->composerLock();
        if (!isset($composerLockData['packages'])) {
            return $composer;
        }
        // Make a list of packages we do not want to put in the 'require' section.
        $remove_list = [
            'drupal/core',
            'wikimedia/composer-merge-plugin',
            'composer/installers',
            // This package contains no code other than interfaces, so allow sites
            // to use any compatible version without needing to switch off of
            // drupal/core-recommended.
'psr/http-message',
        ];
        // Copy the 'packages' section from the Composer lock into our 'require'
        // section. There is also a 'packages-dev' section, but we do not need
        // to pin 'require-dev' versions, as 'require-dev' dependencies are never
        // included from subprojects. Use 'drupal/core-dev' to get Drupal's
        // dev dependencies.
        foreach ($composerLockData['packages'] as $package) {
            // If there is no 'source' record, then this is a path repository
            // or something else that we do not want to include.
            if (isset($package['source']) && !in_array($package['name'], $remove_list)) {
                $composer['require'][$package['name']] = '~' . $package['version'];
            }
        }
        return $composer;
    }
    
    /**
     * Returns the initial package metadata that describes the metapackage.
     *
     * @return array
     */
    protected function initialPackageMetadata() {
        return [
            "name" => "drupal/core-recommended",
            "type" => "metapackage",
            "description" => "Core and its dependencies with known-compatible minor versions. Require this project INSTEAD OF drupal/core.",
            "license" => "GPL-2.0-or-later",
            "conflict" => [
                "webflo/drupal-core-strict" => "*",
            ],
            "require" => [
                "drupal/core" => Composer::drupalVersionBranch(),
            ],
        ];
    }

}