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   1  <?php declare(strict_types=1);
   2  
   3  /**
   4  * @package   s9e\RegexpBuilder
   5  * @copyright Copyright (c) 2016-2022 The s9e authors
   6  * @license   http://www.opensource.org/licenses/mit-license.php The MIT License
   7  */
   8  namespace s9e\RegexpBuilder\Output;
   9  
  10  use function sprintf;
  11  
  12  class JavaScript extends PrintableAscii
  13  {
  14      /** {@inheritdoc} */
  15      protected $maxValue = 0x10FFFF;
  16  
  17      /**
  18      * {@inheritdoc}
  19      */
  20  	protected function escapeUnicode(int $cp): string
  21      {
  22          $format = ($cp > 0xFFFF) ? '\\u{%' . $this->hexCase . '}' : '\\u%04' . $this->hexCase;
  23  
  24          return sprintf($format, $cp);
  25      }
  26  }