text: <?php
  namespace Composer\Installers;
  
  class MediaWikiInstaller extends BaseInstaller
  {
      protected $locations = array(
          'extension' => 'extensions/{$name}/',
          'skin' => 'skins/{$name}/',
      );
  
      /**
       * Format package name.
       *
       * For package type mediawiki-extension, cut off a trailing '-extension' if present and transform
       * to CamelCase keeping existing uppercase chars.
       *
       * For package type mediawiki-skin, cut off a trailing '-skin' if present.
       *
       */
      public function inflectPackageVars($vars)
      {
  
          if ($vars['type'] === 'mediawiki-extension') {
              return $this->inflectExtensionVars($vars);
          }
  
          if ($vars['type'] === 'mediawiki-skin') {
              return $this->inflectSkinVars($vars);
          }
  
          return $vars;
      }
  
      protected function inflectExtensionVars($vars)
      {
          $vars['name'] = preg_replace('/-extension$/', '', $vars['name']);
          $vars['name'] = str_replace('-', ' ', $vars['name']);
          $vars['name'] = str_replace(' ', '', ucwords($vars['name']));
  
          return $vars;
      }
  
      protected function inflectSkinVars($vars)
      {
          $vars['name'] = preg_replace('/-skin$/', '', $vars['name']);
  
          return $vars;
      }
  
  }
  