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

1	<?php
2
3	namespace MobileFrontend\Transforms;
4
5	use DOMElement;
6
7	class NoTransform implements IMobileTransform {
8
9	/** @var self */
10	private static $instance;
11
12	/**
13	* Returns a static instance of NoTransform class.
14	*
15	* Note: There's no need in many instances of this class as it does nothing.
16	* So it's a common pre-optimization to make such classes as singleton, what's
17	* rather a matter of convenience than real optimization.
18	*
19	* @return self
20	*/
21	public static function getInstance(): self {
22	if ( self::$instance === null ) {
23	self::$instance = new self();
24	}
25	return self::$instance;
26	}
27
28	/**
29	* Does nothing.
30	* @param DOMElement $node to be transformed
31	*/
32	public function apply( DOMElement $node ) {
33	// nothing happens
34	}
35	}