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af7a04318d
Add missing `@since` tags for some functions. Correct alignment of some `@param` tags. Follow-up to [46271], [46278], [51304]. See #52628, #53461. Built from https://develop.svn.wordpress.org/trunk@51322 git-svn-id: http://core.svn.wordpress.org/trunk@50931 1a063a9b-81f0-0310-95a4-ce76da25c4cd
52 lines
1.3 KiB
PHP
52 lines
1.3 KiB
PHP
<?php
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/**
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* Javascript Loader Class
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*
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* Allow `async` and `defer` while enqueuing Javascript.
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*
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* Based on a solution in WP Rig.
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*
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* @package WordPress
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* @subpackage Twenty_Twenty
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* @since Twenty Twenty 1.0
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*/
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if ( ! class_exists( 'TwentyTwenty_Script_Loader' ) ) {
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/**
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* A class that provides a way to add `async` or `defer` attributes to scripts.
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*
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* @since Twenty Twenty 1.0
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*/
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class TwentyTwenty_Script_Loader {
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/**
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* Adds async/defer attributes to enqueued / registered scripts.
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*
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* If #12009 lands in WordPress, this function can no-op since it would be handled in core.
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*
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* @since Twenty Twenty 1.0
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*
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* @link https://core.trac.wordpress.org/ticket/12009
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*
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* @param string $tag The script tag.
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* @param string $handle The script handle.
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* @return string Script HTML string.
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*/
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public function filter_script_loader_tag( $tag, $handle ) {
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foreach ( array( 'async', 'defer' ) as $attr ) {
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if ( ! wp_scripts()->get_data( $handle, $attr ) ) {
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continue;
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}
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// Prevent adding attribute when already added in #12009.
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if ( ! preg_match( ":\s$attr(=|>|\s):", $tag ) ) {
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$tag = preg_replace( ':(?=></script>):', " $attr", $tag, 1 );
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}
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// Only allow async or defer, not both.
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break;
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}
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return $tag;
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}
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}
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}
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