Code Coverage for /workspace/src/extensions/MobileFrontend/includes/Transforms/NoTransform.php

1	<?php
2
3	namespace MobileFrontend\Transforms;
4
5	use Wikimedia\Parsoid\DOM\Element;
6
7	class NoTransform implements IMobileTransform {
8
9	/** @var self */
10	private static $instance;
11
12	/**
13	* Returns a static instance of NoTransform class.
14	*
15	* Note: There's no need in many instances of this class as it does nothing.
16	* So it's a common pre-optimization to make such classes as singleton, what's
17	* rather a matter of convenience than real optimization.
18	*/
19	public static function getInstance(): self {
20	if ( self::$instance === null ) {
21	self::$instance = new self();
22	}
23	return self::$instance;
24	}
25
26	/**
27	* Does nothing.
28	* @param Element $node to be transformed
29	*/
30	public function apply( Element $node ) {
31	// nothing happens
32	}
33	}