76 lines
1.6 KiB
PHP
76 lines
1.6 KiB
PHP
<?php
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declare(strict_types=1);
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namespace WP_Rocket\Engine\Optimization\DeferJS;
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use WP_Rocket\Event_Management\Subscriber_Interface;
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class Subscriber implements Subscriber_Interface {
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/**
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* DeferJS instance
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*
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* @var DeferJS
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*/
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private $defer_js;
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/**
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* Instantiate the class
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*
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* @param DeferJS $defer_js DeferJS instance.
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*/
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public function __construct( DeferJS $defer_js ) {
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$this->defer_js = $defer_js;
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}
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/**
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* Returns array of events this listen to.
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*
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* @return array
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*/
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public static function get_subscribed_events() : array {
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return [
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'rocket_buffer' => [
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[ 'defer_js', 24 ],
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[ 'defer_inline_js', 25 ],
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],
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'rocket_exclude_js' => 'exclude_jquery_combine',
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'rocket_minify_excluded_external_js' => 'exclude_jquery_combine',
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];
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}
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/**
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* Adds the defer attribute to JS files
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*
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* @since 3.8
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*
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* @param string $html HTML content.
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* @return string
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*/
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public function defer_js( string $html ) : string {
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return $this->defer_js->defer_js( $html );
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}
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/**
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* Defers inline JS containing jQuery calls
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*
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* @since 3.8
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*
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* @param string $html HTML content.
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* @return string
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*/
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public function defer_inline_js( string $html ) : string {
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return $this->defer_js->defer_inline_js( $html );
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}
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/**
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* Excludes jQuery from combine JS when defer and combine are enabled
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*
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* @since 3.8
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*
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* @param array $excluded_files Array of excluded files from combine JS.
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* @return array
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*/
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public function exclude_jquery_combine( array $excluded_files ) : array {
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return $this->defer_js->exclude_jquery_combine( $excluded_files );
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}
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}
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