drush_plugin__composer_check/ComposerCheck/LoaderBase.php

<?php

namespace Fgm\ComposerCheck;

/**
 * Class LockLoader loads a composer.lock file.
 */
abstract class LoaderBase implements LoaderInterface {

  protected $contents;

  protected $file;

  protected $platform = [];

  protected $dev = [];

  protected $run = [];

  /**
   * {@inheritdoc}
   */
  public function getDev() {
    return $this->dev;
  }

  /**
   * {@inheritdoc}
   */
  public function getRun() {
    return $this->run;
  }

  /**
   * {@inheritdoc}
   */
  public function load(string $file = NULL) {
    $this->contents = json_decode(file_get_contents($this->file), TRUE);
  }

}