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<?php
/**
* Scripts
*
* @package WP Grid Builder
* @author Loïc Blascos
* @copyright 2019-2021 Loïc Blascos
*/
namespace WP_Grid_Builder\FrontEnd;
use WP_Grid_Builder\Includes\Singleton;
// Exit if accessed directly.
if ( ! defined( 'ABSPATH' ) ) {
exit;
}
/**
* Handle global CSS & JS scripts
*
* @class WP_Grid_Builder\FrontEnd\Scripts
* @since 1.1.5
*/
final class Scripts {
use Singleton;
/**
* Holds all scripts
*
* @since 1.2.1
* @access public
*
* @var array
*/
public $scripts = [];
/**
* Holds core scripts
*
* @since 1.2.1
* @access public
*
* @var array
*/
public $core_scripts = [
[
'handle' => WPGB_SLUG . '-polyfills',
'source' => WPGB_URL . 'frontend/assets/js/polyfills.js',
'version' => WPGB_VERSION,
],
[
'handle' => WPGB_SLUG . '-facets',
'source' => WPGB_URL . 'frontend/assets/js/facets.js',
'version' => WPGB_VERSION,
],
[
'handle' => WPGB_SLUG . '-lightbox',
'source' => WPGB_URL . 'frontend/assets/js/lightbox.js',
'version' => WPGB_VERSION,
],
[
'handle' => WPGB_SLUG . '-layout',
'source' => WPGB_URL . 'frontend/assets/js/layout.js',
'version' => WPGB_VERSION,
],
];
/**
* Constructor
*
* @since 1.1.5
* @access public
*/
public function __construct() {
add_action( 'wp_footer', [ $this, 'enqueue' ], 11 );
}
/**
* Register core script
*
* @since 1.2.1
* @access public
*
* @param string $handle Name of the script. Should be unique.
*/
public function register_script( $handle ) {
$exists = array_search( $handle, array_column( $this->scripts, 'handle' ), true );
if ( false !== $exists ) {
return;
}
$key = array_search( $handle, array_column( $this->core_scripts, 'handle' ), true );
if ( false === $key ) {
return;
}
$this->scripts[] = $this->core_scripts[ $key ];
}
/**
* Deregister core script
*
* @since 1.2.1
* @access public
*
* @param string $handle Name of the script.
*/
public function deregister_script( $handle ) {
$key = array_search( $handle, array_column( $this->scripts, 'handle' ), true );
if ( false === $key ) {
return;
}
unset( $this->scripts[ $key ] );
}
/**
* Get Register scripts
*
* @since 1.2.1
* @access public
*
* @return array
*/
public function get_scripts() {
$scripts = apply_filters( 'wp_grid_builder/frontend/register_scripts', $this->core_scripts );
return array_values( array_filter( $scripts ) );
}
/**
* Enqueue plugin scripts
*
* @since 1.2.1
* @access public
*/
public function enqueue() {
if ( empty( $this->scripts ) ) {
return;
}
$this->register_scripts();
$this->enqueue_scripts();
$this->inline_script();
}
/**
* Register scripts
*
* @since 1.1.5
* @access public
*/
public function register_scripts() {
// Register alias script for dependencies.
wp_register_script( WPGB_SLUG, false, [], WPGB_VERSION, true );
$this->scripts = apply_filters( 'wp_grid_builder/frontend/register_scripts', $this->scripts );
$this->scripts = array_filter( $this->scripts );
$this->scripts = array_map(
function( $script ) {
if ( ! is_array( $script ) ) {
return $script;
}
wp_register_script( $script['handle'], $script['source'], [ WPGB_SLUG ], $script['version'], true );
return $script['handle'];
},
$this->scripts
);
}
/**
* Enqueue scripts
*
* @since 1.1.5
* @access public
*/
public function enqueue_scripts() {
$this->scripts = array_fill_keys( $this->scripts, true );
$this->scripts = apply_filters( 'wp_grid_builder/frontend/enqueue_scripts', $this->scripts );
$this->scripts = $this->sort_scripts();
foreach ( $this->scripts as $handle => $enqueue ) {
$enqueue && wp_enqueue_script( $handle );
}
$data = apply_filters( 'wp_grid_builder/frontend/localize_script', [] );
wp_localize_script( WPGB_SLUG, WPGB_SLUG . '_settings', $data );
}
/**
* Sort scripts by priority (as stated in $core_scripts).
*
* @since 1.2.1
* @access public
*/
public function sort_scripts() {
$handles = array_flip( array_column( $this->core_scripts, 'handle' ) );
$handles = array_intersect_key( $handles, $this->scripts );
return array_merge( $handles, $this->scripts );
}
/**
* Inline script
*
* @since 1.2.1
* @access public
*/
public function inline_script() {
reset( $this->scripts );
$inline_script = apply_filters( 'wp_grid_builder/frontend/add_inline_script', '', $this->scripts );
wp_add_inline_script( key( $this->scripts ), $inline_script, 'before' );
}
}
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