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<?php
/**
 * Dependencies API: WP_Scripts class
 *
 * @since 2.6.0
 *
 * @package WordPress
 * @subpackage Dependencies
 */

/**
 * Core class used to register scripts.
 *
 * @since 2.1.0
 *
 * @see WP_Dependencies
 */
class WP_Scripts extends WP_Dependencies {
	/**
	 * Base URL for scripts.
	 *
	 * Full URL with trailing slash.
	 *
	 * @since 2.6.0
	 * @var string
	 */
	public $base_url;

/**
	 * URL of the content directory.
	 *
	 * @since 2.8.0
	 * @var string
	 */
	public $content_url;

/**
	 * Default version string for scripts.
	 *
	 * @since 2.6.0
	 * @var string
	 */
	public $default_version;

/**
	 * Holds handles of scripts which are enqueued in footer.
	 *
	 * @since 2.8.0
	 * @var array
	 */
	public $in_footer = array();

/**
	 * Holds a list of script handles which will be concatenated.
	 *
	 * @since 2.8.0
	 * @var string
	 */
	public $concat = '';

/**
	 * Holds a string which contains script handles and their version.
	 *
	 * @since 2.8.0
	 * @deprecated 3.4.0
	 * @var string
	 */
	public $concat_version = '';

/**
	 * Whether to perform concatenation.
	 *
	 * @since 2.8.0
	 * @var bool
	 */
	public $do_concat = false;

/**
	 * Holds HTML markup of scripts and additional data if concatenation
	 * is enabled.
	 *
	 * @since 2.8.0
	 * @var string
	 */
	public $print_html = '';

/**
	 * Holds inline code if concatenation is enabled.
	 *
	 * @since 2.8.0
	 * @var string
	 */
	public $print_code = '';

/**
	 * Holds a list of script handles which are not in the default directory
	 * if concatenation is enabled.
	 *
	 * Unused in core.
	 *
	 * @since 2.8.0
	 * @var string
	 */
	public $ext_handles = '';

/**
	 * Holds a string which contains handles and versions of scripts which
	 * are not in the default directory if concatenation is enabled.
	 *
	 * Unused in core.
	 *
	 * @since 2.8.0
	 * @var string
	 */
	public $ext_version = '';

/**
	 * List of default directories.
	 *
	 * @since 2.8.0
	 * @var array
	 */
	public $default_dirs;

/**
	 * Holds a mapping of dependents (as handles) for a given script handle.
	 * Used to optimize recursive dependency tree checks.
	 *
	 * @since 6.3.0
	 * @var array
	 */
	private $dependents_map = array();

/**
	 * Holds a reference to the delayed (non-blocking) script loading strategies.
	 * Used by methods that validate loading strategies.
	 *
	 * @since 6.3.0
	 * @var string[]
	 */
	private $delayed_strategies = array( 'defer', 'async' );

/**
	 * Constructor.
	 *
	 * @since 2.6.0
	 */
	public function __construct() {
		$this->init();
		add_action( 'init', array( $this, 'init' ), 0 );
	}

/**
	 * Initialize the class.
	 *
	 * @since 3.4.0
	 */
	public function init() {
		/**
		 * Fires when the WP_Scripts instance is initialized.
		 *
		 * @since 2.6.0
		 *
		 * @param WP_Scripts $wp_scripts WP_Scripts instance (passed by reference).
		 */
		do_action_ref_array( 'wp_default_scripts', array( &$this ) );
	}

/**
	 * Prints scripts.
	 *
	 * Prints the scripts passed to it or the print queue. Also prints all necessary dependencies.
	 *
	 * @since 2.1.0
	 * @since 2.8.0 Added the `$group` parameter.
	 *
	 * @param string|string[]|false $handles Optional. Scripts to be printed: queue (false),
	 *                                       single script (string), or multiple scripts (array of strings).
	 *                                       Default false.
	 * @param int|false             $group   Optional. Group level: level (int), no groups (false).
	 *                                       Default false.
	 * @return string[] Handles of scripts that have been printed.
	 */
	public function print_scripts( $handles = false, $group = false ) {
		return $this->do_items( $handles, $group );
	}

/**
	 * Prints extra scripts of a registered script.
	 *
	 * @since 2.1.0
	 * @since 2.8.0 Added the `$display` parameter.
	 * @deprecated 3.3.0
	 *
	 * @see print_extra_script()
	 *
	 * @param string $handle  The script's registered handle.
	 * @param bool   $display Optional. Whether to print the extra script
	 *                        instead of just returning it. Default true.
	 * @return bool|string|void Void if no data exists, extra scripts if `$display` is true,
	 *                          true otherwise.
	 */
	public function print_scripts_l10n( $handle, $display = true ) {
		_deprecated_function( __FUNCTION__, '3.3.0', 'WP_Scripts::print_extra_script()' );
		return $this->print_extra_script( $handle, $display );
	}

/**
	 * Prints extra scripts of a registered script.
	 *
	 * @since 3.3.0
	 *
	 * @param string $handle  The script's registered handle.
	 * @param bool   $display Optional. Whether to print the extra script
	 *                        instead of just returning it. Default true.
	 * @return bool|string|void Void if no data exists, extra scripts if `$display` is true,
	 *                          true otherwise.
	 */
	public function print_extra_script( $handle, $display = true ) {
		$output = $this->get_data( $handle, 'data' );
		if ( ! $output ) {
			return;
		}

if ( ! $display ) {
			return $output;
		}

wp_print_inline_script_tag( $output, array( 'id' => "{$handle}-js-extra" ) );

return true;
	}

/**
	 * Checks whether all dependents of a given handle are in the footer.
	 *
	 * If there are no dependents, this is considered the same as if all dependents were in the footer.
	 *
	 * @since 6.4.0
	 *
	 * @param string $handle Script handle.
	 * @return bool Whether all dependents are in the footer.
	 */
	private function are_all_dependents_in_footer( $handle ) {
		foreach ( $this->get_dependents( $handle ) as $dep ) {
			if ( isset( $this->groups[ $dep ] ) && 0 === $this->groups[ $dep ] ) {
				return false;
			}
		}
		return true;
	}

/**
	 * Processes a script dependency.
	 *
	 * @since 2.6.0
	 * @since 2.8.0 Added the `$group` parameter.
	 *
	 * @see WP_Dependencies::do_item()
	 *
	 * @param string    $handle The script's registered handle.
	 * @param int|false $group  Optional. Group level: level (int), no groups (false).
	 *                          Default false.
	 * @return bool True on success, false on failure.
	 */
	public function do_item( $handle, $group = false ) {
		if ( ! parent::do_item( $handle ) ) {
			return false;
		}

if ( 0 === $group && $this->groups[ $handle ] > 0 ) {
			$this->in_footer[] = $handle;
			return false;
		}

if ( false === $group && in_array( $handle, $this->in_footer, true ) ) {
			$this->in_footer = array_diff( $this->in_footer, (array) $handle );
		}

$obj = $this->registered[ $handle ];

if ( null === $obj->ver ) {
			$ver = '';
		} else {
			$ver = $obj->ver ? $obj->ver : $this->default_version;
		}

if ( isset( $this->args[ $handle ] ) ) {
			$ver = $ver ? $ver . '&amp;' . $this->args[ $handle ] : $this->args[ $handle ];
		}

$src                   = $obj->src;
		$strategy              = $this->get_eligible_loading_strategy( $handle );
		$intended_strategy     = (string) $this->get_data( $handle, 'strategy' );
		$ie_conditional_prefix = '';
		$ie_conditional_suffix = '';
		$conditional           = isset( $obj->extra['conditional'] ) ? $obj->extra['conditional'] : '';

if ( ! $this->is_delayed_strategy( $intended_strategy ) ) {
			$intended_strategy = '';
		}

/*
		 * Move this script to the footer if:
		 * 1. The script is in the header group.
		 * 2. The current output is the header.
		 * 3. The intended strategy is delayed.
		 * 4. The actual strategy is not delayed.
		 * 5. All dependent scripts are in the footer.
		 */
		if (
			0 === $group &&
			0 === $this->groups[ $handle ] &&
			$intended_strategy &&
			! $this->is_delayed_strategy( $strategy ) &&
			$this->are_all_dependents_in_footer( $handle )
		) {
			$this->in_footer[] = $handle;
			return false;
		}

if ( $conditional ) {
			$ie_conditional_prefix = "\n";
		}

$before_script = $this->get_inline_script_tag( $handle, 'before' );
		$after_script  = $this->get_inline_script_tag( $handle, 'after' );

if ( $before_script || $after_script ) {
			$inline_script_tag = $ie_conditional_prefix . $before_script . $after_script . $ie_conditional_suffix;
		} else {
			$inline_script_tag = '';
		}

/*
		 * Prevent concatenation of scripts if the text domain is defined
		 * to ensure the dependency order is respected.
		 */
		$translations_stop_concat = ! empty( $obj->textdomain );

$translations = $this->print_translations( $handle, false );
		if ( $translations ) {
			$translations = wp_get_inline_script_tag( $translations, array( 'id' => "{$handle}-js-translations" ) );
		}

if ( $this->do_concat ) {
			/**
			 * Filters the script loader source.
			 *
			 * @since 2.2.0
			 *
			 * @param string $src    Script loader source path.
			 * @param string $handle Script handle.
			 */
			$filtered_src = apply_filters( 'script_loader_src', $src, $handle );

if (
				$this->in_default_dir( $filtered_src )
				&& ( $before_script || $after_script || $translations_stop_concat || $this->is_delayed_strategy( $strategy ) )
			) {
				$this->do_concat = false;

// Have to print the so-far concatenated scripts right away to maintain the right order.
				_print_scripts();
				$this->reset();
			} elseif ( $this->in_default_dir( $filtered_src ) && ! $conditional ) {
				$this->print_code     .= $this->print_extra_script( $handle, false );
				$this->concat         .= "$handle,";
				$this->concat_version .= "$handle$ver";
				return true;
			} else {
				$this->ext_handles .= "$handle,";
				$this->ext_version .= "$handle$ver";
			}
		}

$has_conditional_data = $conditional && $this->get_data( $handle, 'data' );

if ( $has_conditional_data ) {
			echo $ie_conditional_prefix;
		}

$this->print_extra_script( $handle );

if ( $has_conditional_data ) {
			echo $ie_conditional_suffix;
		}

// A single item may alias a set of items, by having dependencies, but no source.
		if ( ! $src ) {
			if ( $inline_script_tag ) {
				if ( $this->do_concat ) {
					$this->print_html .= $inline_script_tag;
				} else {
					echo $inline_script_tag;
				}
			}

return true;
		}

if ( ! preg_match( '|^(https?:)?//|', $src ) && ! ( $this->content_url && str_starts_with( $src, $this->content_url ) ) ) {
			$src = $this->base_url . $src;
		}

if ( ! empty( $ver ) ) {
			$src = add_query_arg( 'ver', $ver, $src );
		}

/** This filter is documented in wp-includes/class-wp-scripts.php */
		$src = esc_url_raw( apply_filters( 'script_loader_src', $src, $handle ) );

if ( ! $src ) {
			return true;
		}

$attr = array(
			'src' => $src,
			'id'  => "{$handle}-js",
		);
		if ( $strategy ) {
			$attr[ $strategy ] = true;
		}
		if ( $intended_strategy ) {
			$attr['data-wp-strategy'] = $intended_strategy;
		}
		$tag  = $translations . $ie_conditional_prefix . $before_script;
		$tag .= wp_get_script_tag( $attr );
		$tag .= $after_script . $ie_conditional_suffix;

/**
		 * Filters the HTML script tag of an enqueued script.
		 *
		 * @since 4.1.0
		 *
		 * @param string $tag    The `<script>` tag for the enqueued script.
		 * @param string $handle The script's registered handle.
		 * @param string $src    The script's source URL.
		 */
		$tag = apply_filters( 'script_loader_tag', $tag, $handle, $src );

if ( $this->do_concat ) {
			$this->print_html .= $tag;
		} else {
			echo $tag;
		}

return true;
	}

/**
	 * Adds extra code to a registered script.
	 *
	 * @since 4.5.0
	 *
	 * @param string $handle   Name of the script to add the inline script to.
	 *                         Must be lowercase.
	 * @param string $data     String containing the JavaScript to be added.
	 * @param string $position Optional. Whether to add the inline script
	 *                         before the handle or after. Default 'after'.
	 * @return bool True on success, false on failure.
	 */
	public function add_inline_script( $handle, $data, $position = 'after' ) {
		if ( ! $data ) {
			return false;
		}

if ( 'after' !== $position ) {
			$position = 'before';
		}

$script   = (array) $this->get_data( $handle, $position );
		$script[] = $data;

return $this->add_data( $handle, $position, $script );
	}

/**
	 * Prints inline scripts registered for a specific handle.
	 *
	 * @since 4.5.0
	 * @deprecated 6.3.0 Use methods get_inline_script_tag() or get_inline_script_data() instead.
	 *
	 * @param string $handle   Name of the script to print inline scripts for.
	 *                         Must be lowercase.
	 * @param string $position Optional. Whether to add the inline script
	 *                         before the handle or after. Default 'after'.
	 * @param bool   $display  Optional. Whether to print the script tag
	 *                         instead of just returning the script data. Default true.
	 * @return string|false Script data on success, false otherwise.
	 */
	public function print_inline_script( $handle, $position = 'after', $display = true ) {
		_deprecated_function( __METHOD__, '6.3.0', 'WP_Scripts::get_inline_script_data() or WP_Scripts::get_inline_script_tag()' );

$output = $this->get_inline_script_data( $handle, $position );
		if ( empty( $output ) ) {
			return false;
		}

if ( $display ) {
			echo $this->get_inline_script_tag( $handle, $position );
		}
		return $output;
	}

/**
	 * Gets data for inline scripts registered for a specific handle.
	 *
	 * @since 6.3.0
	 *
	 * @param string $handle   Name of the script to get data for.
	 *                         Must be lowercase.
	 * @param string $position Optional. Whether to add the inline script
	 *                         before the handle or after. Default 'after'.
	 * @return string Inline script, which may be empty string.
	 */
	public function get_inline_script_data( $handle, $position = 'after' ) {
		$data = $this->get_data( $handle, $position );
		if ( empty( $data ) || ! is_array( $data ) ) {
			return '';
		}

return trim( implode( "\n", $data ), "\n" );
	}

/**
	 * Gets tags for inline scripts registered for a specific handle.
	 *
	 * @since 6.3.0
	 *
	 * @param string $handle   Name of the script to get associated inline script tag for.
	 *                         Must be lowercase.
	 * @param string $position Optional. Whether to get tag for inline
	 *                         scripts in the before or after position. Default 'after'.
	 * @return string Inline script, which may be empty string.
	 */
	public function get_inline_script_tag( $handle, $position = 'after' ) {
		$js = $this->get_inline_script_data( $handle, $position );
		if ( empty( $js ) ) {
			return '';
		}

$id = "{$handle}-js-{$position}";

return wp_get_inline_script_tag( $js, compact( 'id' ) );
	}

/**
	 * Localizes a script, only if the script has already been added.
	 *
	 * @since 2.1.0
	 *
	 * @param string $handle      Name of the script to attach data to.
	 * @param string $object_name Name of the variable that will contain the data.
	 * @param array  $l10n        Array of data to localize.
	 * @return bool True on success, false on failure.
	 */
	public function localize( $handle, $object_name, $l10n ) {
		if ( 'jquery' === $handle ) {
			$handle = 'jquery-core';
		}

if ( is_array( $l10n ) && isset( $l10n['l10n_print_after'] ) ) { // back compat, preserve the code in 'l10n_print_after' if present.
			$after = $l10n['l10n_print_after'];
			unset( $l10n['l10n_print_after'] );
		}

if ( ! is_array( $l10n ) ) {
			_doing_it_wrong(
				__METHOD__,
				sprintf(
					/* translators: 1: $l10n, 2: wp_add_inline_script() */
					__( 'The %1$s parameter must be an array. To pass arbitrary data to scripts, use the %2$s function instead.' ),
					'<code>$l10n</code>',
					'<code>wp_add_inline_script()</code>'
				),
				'5.7.0'
			);

if ( false === $l10n ) {
				// This should really not be needed, but is necessary for backward compatibility.
				$l10n = array( $l10n );
			}
		}

if ( is_string( $l10n ) ) {
			$l10n = html_entity_decode( $l10n, ENT_QUOTES, 'UTF-8' );
		} elseif ( is_array( $l10n ) ) {
			foreach ( $l10n as $key => $value ) {
				if ( ! is_scalar( $value ) ) {
					continue;
				}

$l10n[ $key ] = html_entity_decode( (string) $value, ENT_QUOTES, 'UTF-8' );
			}
		}

$script = "var $object_name = " . wp_json_encode( $l10n ) . ';';

if ( ! empty( $after ) ) {
			$script .= "\n$after;";
		}

$data = $this->get_data( $handle, 'data' );

if ( ! empty( $data ) ) {
			$script = "$data\n$script";
		}

return $this->add_data( $handle, 'data', $script );
	}

/**
	 * Sets handle group.
	 *
	 * @since 2.8.0
	 *
	 * @see WP_Dependencies::set_group()
	 *
	 * @param string    $handle    Name of the item. Should be unique.
	 * @param bool      $recursion Internal flag that calling function was called recursively.
	 * @param int|false $group     Optional. Group level: level (int), no groups (false).
	 *                             Default false.
	 * @return bool Not already in the group or a lower group.
	 */
	public function set_group( $handle, $recursion, $group = false ) {
		if ( isset( $this->registered[ $handle ]->args ) && 1 === $this->registered[ $handle ]->args ) {
			$calculated_group = 1;
		} else {
			$calculated_group = (int) $this->get_data( $handle, 'group' );
		}

if ( false !== $group && $calculated_group > $group ) {
			$calculated_group = $group;
		}

return parent::set_group( $handle, $recursion, $calculated_group );
	}

/**
	 * Sets a translation textdomain.
	 *
	 * @since 5.0.0
	 * @since 5.1.0 The `$domain` parameter was made optional.
	 *
	 * @param string $handle Name of the script to register a translation domain to.
	 * @param string $domain Optional. Text domain. Default 'default'.
	 * @param string $path   Optional. The full file path to the directory containing translation files.
	 * @return bool True if the text domain was registered, false if not.
	 */
	public function set_translations( $handle, $domain = 'default', $path = '' ) {
		if ( ! isset( $this->registered[ $handle ] ) ) {
			return false;
		}

/** @var \_WP_Dependency $obj */
		$obj = $this->registered[ $handle ];

if ( ! in_array( 'wp-i18n', $obj->deps, true ) ) {
			$obj->deps[] = 'wp-i18n';
		}

return $obj->set_translations( $domain, $path );
	}

/**
	 * Prints translations set for a specific handle.
	 *
	 * @since 5.0.0
	 *
	 * @param string $handle  Name of the script to add the inline script to.
	 *                        Must be lowercase.
	 * @param bool   $display Optional. Whether to print the script
	 *                        instead of just returning it. Default true.
	 * @return string|false Script on success, false otherwise.
	 */
	public function print_translations( $handle, $display = true ) {
		if ( ! isset( $this->registered[ $handle ] ) || empty( $this->registered[ $handle ]->textdomain ) ) {
			return false;
		}

$domain = $this->registered[ $handle ]->textdomain;
		$path   = '';

if ( isset( $this->registered[ $handle ]->translations_path ) ) {
			$path = $this->registered[ $handle ]->translations_path;
		}

$json_translations = load_script_textdomain( $handle, $domain, $path );

if ( ! $json_translations ) {
			return false;
		}

$output = <<<JS
( function( domain, translations ) {
	var localeData = translations.locale_data[ domain ] || translations.locale_data.messages;
	localeData[""].domain = domain;
	wp.i18n.setLocaleData( localeData, domain );
} )( "{$domain}", {$json_translations} );
JS;

if ( $display ) {
			wp_print_inline_script_tag( $output, array( 'id' => "{$handle}-js-translations" ) );
		}

return $output;
	}

/**
	 * Determines script dependencies.
	 *
	 * @since 2.1.0
	 *
	 * @see WP_Dependencies::all_deps()
	 *
	 * @param string|string[] $handles   Item handle (string) or item handles (array of strings).
	 * @param bool            $recursion Optional. Internal flag that function is calling itself.
	 *                                   Default false.
	 * @param int|false       $group     Optional. Group level: level (int), no groups (false).
	 *                                   Default false.
	 * @return bool True on success, false on failure.
	 */
	public function all_deps( $handles, $recursion = false, $group = false ) {
		$result = parent::all_deps( $handles, $recursion, $group );
		if ( ! $recursion ) {
			/**
			 * Filters the list of script dependencies left to print.
			 *
			 * @since 2.3.0
			 *
			 * @param string[] $to_do An array of script dependency handles.
			 */
			$this->to_do = apply_filters( 'print_scripts_array', $this->to_do );
		}
		return $result;
	}

/**
	 * Processes items and dependencies for the head group.
	 *
	 * @since 2.8.0
	 *
	 * @see WP_Dependencies::do_items()
	 *
	 * @return string[] Handles of items that have been processed.
	 */
	public function do_head_items() {
		$this->do_items( false, 0 );
		return $this->done;
	}

/**
	 * Processes items and dependencies for the footer group.
	 *
	 * @since 2.8.0
	 *
	 * @see WP_Dependencies::do_items()
	 *
	 * @return string[] Handles of items that have been processed.
	 */
	public function do_footer_items() {
		$this->do_items( false, 1 );
		return $this->done;
	}

/**
	 * Whether a handle's source is in a default directory.
	 *
	 * @since 2.8.0
	 *
	 * @param string $src The source of the enqueued script.
	 * @return bool True if found, false if not.
	 */
	public function in_default_dir( $src ) {
		if ( ! $this->default_dirs ) {
			return true;
		}

if ( str_starts_with( $src, '/' . WPINC . '/js/l10n' ) ) {
			return false;
		}

foreach ( (array) $this->default_dirs as $test ) {
			if ( str_starts_with( $src, $test ) ) {
				return true;
			}
		}
		return false;
	}

/**
	 * This overrides the add_data method from WP_Dependencies, to support normalizing of $args.
	 *
	 * @since 6.3.0
	 *
	 * @param string $handle Name of the item. Should be unique.
	 * @param string $key    The data key.
	 * @param mixed  $value  The data value.
	 * @return bool True on success, false on failure.
	 */
	public function add_data( $handle, $key, $value ) {
		if ( ! isset( $this->registered[ $handle ] ) ) {
			return false;
		}

if ( 'strategy' === $key ) {
			if ( ! empty( $value ) && ! $this->is_delayed_strategy( $value ) ) {
				_doing_it_wrong(
					__METHOD__,
					sprintf(
						/* translators: 1: $strategy, 2: $handle */
						__( 'Invalid strategy `%1$s` defined for `%2$s` during script registration.' ),
						$value,
						$handle
					),
					'6.3.0'
				);
				return false;
			} elseif ( ! $this->registered[ $handle ]->src && $this->is_delayed_strategy( $value ) ) {
				_doing_it_wrong(
					__METHOD__,
					sprintf(
						/* translators: 1: $strategy, 2: $handle */
						__( 'Cannot supply a strategy `%1$s` for script `%2$s` because it is an alias (it lacks a `src` value).' ),
						$value,
						$handle
					),
					'6.3.0'
				);
				return false;
			}
		}
		return parent::add_data( $handle, $key, $value );
	}

/**
	 * Gets all dependents of a script.
	 *
	 * @since 6.3.0
	 *
	 * @param string $handle The script handle.
	 * @return string[] Script handles.
	 */
	private function get_dependents( $handle ) {
		// Check if dependents map for the handle in question is present. If so, use it.
		if ( isset( $this->dependents_map[ $handle ] ) ) {
			return $this->dependents_map[ $handle ];
		}

$dependents = array();

// Iterate over all registered scripts, finding dependents of the script passed to this method.
		foreach ( $this->registered as $registered_handle => $args ) {
			if ( in_array( $handle, $args->deps, true ) ) {
				$dependents[] = $registered_handle;
			}
		}

// Add the handles dependents to the map to ease future lookups.
		$this->dependents_map[ $handle ] = $dependents;

return $dependents;
	}

/**
	 * Checks if the strategy passed is a valid delayed (non-blocking) strategy.
	 *
	 * @since 6.3.0
	 *
	 * @param string $strategy The strategy to check.
	 * @return bool True if $strategy is one of the delayed strategies, otherwise false.
	 */
	private function is_delayed_strategy( $strategy ) {
		return in_array(
			$strategy,
			$this->delayed_strategies,
			true
		);
	}

/**
	 * Gets the best eligible loading strategy for a script.
	 *
	 * @since 6.3.0
	 *
	 * @param string $handle The script handle.
	 * @return string The best eligible loading strategy.
	 */
	private function get_eligible_loading_strategy( $handle ) {
		$intended_strategy = (string) $this->get_data( $handle, 'strategy' );

// Bail early if there is no intended strategy.
		if ( ! $intended_strategy ) {
			return '';
		}

/*
		 * If the intended strategy is 'defer', limit the initial list of eligible
		 * strategies, since 'async' can fallback to 'defer', but not vice-versa.
		 */
		$initial_strategy = ( 'defer' === $intended_strategy ) ? array( 'defer' ) : null;

$eligible_strategies = $this->filter_eligible_strategies( $handle, $initial_strategy );

// Return early once we know the eligible strategy is blocking.
		if ( empty( $eligible_strategies ) ) {
			return '';
		}

return in_array( 'async', $eligible_strategies, true ) ? 'async' : 'defer';
	}

/**
	 * Filter the list of eligible loading strategies for a script.
	 *
	 * @since 6.3.0
	 *
	 * @param string              $handle              The script handle.
	 * @param string[]|null       $eligible_strategies Optional. The list of strategies to filter. Default null.
	 * @param array<string, true> $checked             Optional. An array of already checked script handles, used to avoid recursive loops.
	 * @return string[] A list of eligible loading strategies that could be used.
	 */
	private function filter_eligible_strategies( $handle, $eligible_strategies = null, $checked = array() ) {
		// If no strategies are being passed, all strategies are eligible.
		if ( null === $eligible_strategies ) {
			$eligible_strategies = $this->delayed_strategies;
		}

// If this handle was already checked, return early.
		if ( isset( $checked[ $handle ] ) ) {
			return $eligible_strategies;
		}

// Mark this handle as checked.
		$checked[ $handle ] = true;

// If this handle isn't registered, don't filter anything and return.
		if ( ! isset( $this->registered[ $handle ] ) ) {
			return $eligible_strategies;
		}

// If the handle is not enqueued, don't filter anything and return.
		if ( ! $this->query( $handle, 'enqueued' ) ) {
			return $eligible_strategies;
		}

$is_alias          = (bool) ! $this->registered[ $handle ]->src;
		$intended_strategy = $this->get_data( $handle, 'strategy' );

// For non-alias handles, an empty intended strategy filters all strategies.
		if ( ! $is_alias && empty( $intended_strategy ) ) {
			return array();
		}

// Handles with inline scripts attached in the 'after' position cannot be delayed.
		if ( $this->has_inline_script( $handle, 'after' ) ) {
			return array();
		}

// If the intended strategy is 'defer', filter out 'async'.
		if ( 'defer' === $intended_strategy ) {
			$eligible_strategies = array( 'defer' );
		}

$dependents = $this->get_dependents( $handle );

// Recursively filter eligible strategies for dependents.
		foreach ( $dependents as $dependent ) {
			// Bail early once we know the eligible strategy is blocking.
			if ( empty( $eligible_strategies ) ) {
				return array();
			}

$eligible_strategies = $this->filter_eligible_strategies( $dependent, $eligible_strategies, $checked );
		}

return $eligible_strategies;
	}

/**
	 * Gets data for inline scripts registered for a specific handle.
	 *
	 * @since 6.3.0
	 *
	 * @param string $handle   Name of the script to get data for. Must be lowercase.
	 * @param string $position The position of the inline script.
	 * @return bool Whether the handle has an inline script (either before or after).
	 */
	private function has_inline_script( $handle, $position = null ) {
		if ( $position && in_array( $position, array( 'before', 'after' ), true ) ) {
			return (bool) $this->get_data( $handle, $position );
		}

return (bool) ( $this->get_data( $handle, 'before' ) || $this->get_data( $handle, 'after' ) );
	}

/**
	 * Resets class properties.
	 *
	 * @since 2.8.0
	 */
	public function reset() {
		$this->do_concat      = false;
		$this->print_code     = '';
		$this->concat         = '';
		$this->concat_version = '';
		$this->print_html     = '';
		$this->ext_version    = '';
		$this->ext_handles    = '';
	}
}

Nama File / Folder	Size	Action
ID3	--	NONE
IXR	--	NONE
PHPMailer	--	NONE
Requests	--	NONE
SimplePie	--	NONE
Text	--	NONE
assets	--	NONE
block-bindings	--	NONE
block-patterns	--	NONE
block-supports	--	NONE
blocks	--	NONE
certificates	--	NONE
css	--	NONE
customize	--	NONE
fonts	--	NONE
html-api	--	NONE
images	--	NONE
interactivity-api	--	NONE
js	--	NONE
l10n	--	NONE
php-compat	--	NONE
pomo	--	NONE
rest-api	--	NONE
sitemaps	--	NONE
sodium_compat	--	NONE
style-engine	--	NONE
theme-compat	--	NONE
widgets	--	NONE
.htaccess	0.506KB	Edit File Delete File Rename
admin-bar.php	36.236KB	Edit File Delete File Rename
atomlib.php	11.795KB	Edit File Delete File Rename
block-bindings.php	5.463KB	Edit File Delete File Rename
block-editor.php	28.122KB	Edit File Delete File Rename
block-i18n.json	0.309KB	Edit File Delete File Rename
block-patterns.php	12.903KB	Edit File Delete File Rename
block-template-utils.php	60.456KB	Edit File Delete File Rename
cache-compat.php	5.829KB	Edit File Delete File Rename
cache.php	13.158KB	Edit File Delete File Rename
canonical.php	33.714KB	Edit File Delete File Rename
capabilities.php	41.717KB	Edit File Delete File Rename
class-IXR.php	2.555KB	Edit File Delete File Rename
class-feed.php	0.526KB	Edit File Delete File Rename
class-http.php	0.358KB	Edit File Delete File Rename
class-json.php	42.66KB	Edit File Delete File Rename
class-oembed.php	0.392KB	Edit File Delete File Rename
class-phpass.php	6.612KB	Edit File Delete File Rename
class-phpmailer.php	0.648KB	Edit File Delete File Rename
class-pop3.php	20.626KB	Edit File Delete File Rename
class-requests.php	2.185KB	Edit File Delete File Rename
class-simplepie.php	0.442KB	Edit File Delete File Rename
class-smtp.php	0.446KB	Edit File Delete File Rename
class-snoopy.php	36.831KB	Edit File Delete File Rename
class-walker-category-dropdown.php	2.411KB	Edit File Delete File Rename
class-walker-page-dropdown.php	2.646KB	Edit File Delete File Rename
class-wp-ajax-response.php	5.143KB	Edit File Delete File Rename
class-wp-application-passwords.php	16.698KB	Edit File Delete File Rename
class-wp-block-bindings-registry.php	8.265KB	Edit File Delete File Rename
class-wp-block-editor-context.php	1.318KB	Edit File Delete File Rename
class-wp-block-list.php	4.646KB	Edit File Delete File Rename
class-wp-block-metadata-registry.php	11.616KB	Edit File Delete File Rename
class-wp-block-parser-frame.php	1.97KB	Edit File Delete File Rename
class-wp-block-pattern-categories-registry.php	5.245KB	Edit File Delete File Rename
class-wp-block-styles-registry.php	6.253KB	Edit File Delete File Rename
class-wp-block-supports.php	5.494KB	Edit File Delete File Rename
class-wp-block-template.php	1.985KB	Edit File Delete File Rename
class-wp-block-templates-registry.php	7.062KB	Edit File Delete File Rename
class-wp-block-type-registry.php	4.896KB	Edit File Delete File Rename
class-wp-block-type.php	16.86KB	Edit File Delete File Rename
class-wp-block.php	22.501KB	Edit File Delete File Rename
class-wp-classic-to-block-menu-converter.php	3.992KB	Edit File Delete File Rename
class-wp-comment-query.php	47.261KB	Edit File Delete File Rename
class-wp-customize-control.php	25.245KB	Edit File Delete File Rename
class-wp-customize-manager.php	197.845KB	Edit File Delete File Rename
class-wp-customize-nav-menus.php	56.309KB	Edit File Delete File Rename
class-wp-customize-panel.php	10.459KB	Edit File Delete File Rename
class-wp-customize-section.php	10.946KB	Edit File Delete File Rename
class-wp-customize-setting.php	29.26KB	Edit File Delete File Rename
class-wp-customize-widgets.php	70.518KB	Edit File Delete File Rename
class-wp-date-query.php	34.895KB	Edit File Delete File Rename
class-wp-dependencies.php	14.784KB	Edit File Delete File Rename
class-wp-dependency.php	2.565KB	Edit File Delete File Rename
class-wp-editor.php	70.64KB	Edit File Delete File Rename
class-wp-embed.php	15.558KB	Edit File Delete File Rename
class-wp-error.php	7.326KB	Edit File Delete File Rename
class-wp-exception.php	0.247KB	Edit File Delete File Rename
class-wp-feed-cache-transient.php	3.102KB	Edit File Delete File Rename
class-wp-feed-cache.php	0.946KB	Edit File Delete File Rename
class-wp-hook.php	15.625KB	Edit File Delete File Rename
class-wp-http-ixr-client.php	3.419KB	Edit File Delete File Rename
class-wp-http.php	40.604KB	Edit File Delete File Rename
class-wp-image-editor-gd.php	19.689KB	Edit File Delete File Rename
class-wp-image-editor-imagick.php	33.921KB	Edit File Delete File Rename
class-wp-image-editor.php	17.116KB	Edit File Delete File Rename
class-wp-list-util.php	7.269KB	Edit File Delete File Rename
class-wp-locale-switcher.php	6.617KB	Edit File Delete File Rename
class-wp-locale.php	16.487KB	Edit File Delete File Rename
class-wp-matchesmapregex.php	1.785KB	Edit File Delete File Rename
class-wp-meta-query.php	29.815KB	Edit File Delete File Rename
class-wp-metadata-lazyloader.php	6.673KB	Edit File Delete File Rename
class-wp-navigation-fallback.php	8.995KB	Edit File Delete File Rename
class-wp-network-query.php	19.392KB	Edit File Delete File Rename
class-wp-network.php	12.008KB	Edit File Delete File Rename
class-wp-object-cache.php	17.113KB	Edit File Delete File Rename
class-wp-oembed-controller.php	6.743KB	Edit File Delete File Rename
class-wp-oembed.php	30.865KB	Edit File Delete File Rename
class-wp-phpmailer.php	3.713KB	Edit File Delete File Rename
class-wp-plugin-dependencies.php	24.722KB	Edit File Delete File Rename
class-wp-post-type.php	29.961KB	Edit File Delete File Rename
class-wp-query.php	154.319KB	Edit File Delete File Rename
class-wp-recovery-mode-cookie-service.php	6.716KB	Edit File Delete File Rename
class-wp-recovery-mode-email-service.php	10.921KB	Edit File Delete File Rename
class-wp-recovery-mode-key-service.php	4.77KB	Edit File Delete File Rename
class-wp-recovery-mode-link-service.php	3.382KB	Edit File Delete File Rename
class-wp-recovery-mode.php	11.185KB	Edit File Delete File Rename
class-wp-rewrite.php	62.195KB	Edit File Delete File Rename
class-wp-script-modules.php	19.007KB	Edit File Delete File Rename
class-wp-scripts.php	27.68KB	Edit File Delete File Rename
class-wp-session-tokens.php	7.147KB	Edit File Delete File Rename
class-wp-simplepie-file.php	3.328KB	Edit File Delete File Rename
class-wp-site-query.php	30.884KB	Edit File Delete File Rename
class-wp-speculation-rules.php	7.351KB	Edit File Delete File Rename
class-wp-styles.php	10.752KB	Edit File Delete File Rename
class-wp-taxonomy.php	18.124KB	Edit File Delete File Rename
class-wp-term-query.php	39.911KB	Edit File Delete File Rename
class-wp-textdomain-registry.php	10.235KB	Edit File Delete File Rename
class-wp-theme-json-data.php	1.767KB	Edit File Delete File Rename
class-wp-theme-json-resolver.php	34.9KB	Edit File Delete File Rename
class-wp-theme-json-schema.php	7.194KB	Edit File Delete File Rename
class-wp-theme-json.php	159.712KB	Edit File Delete File Rename
class-wp-theme.php	64.268KB	Edit File Delete File Rename
class-wp-token-map.php	27.947KB	Edit File Delete File Rename
class-wp-user-meta-session-tokens.php	2.92KB	Edit File Delete File Rename
class-wp-user-query.php	42.632KB	Edit File Delete File Rename
class-wp-user.php	22.455KB	Edit File Delete File Rename
class-wp-walker.php	13.01KB	Edit File Delete File Rename
class-wp-widget-factory.php	3.269KB	Edit File Delete File Rename
class-wp-widget.php	17.997KB	Edit File Delete File Rename
class-wp-xmlrpc-server.php	210.395KB	Edit File Delete File Rename
class-wp.php	25.701KB	Edit File Delete File Rename
class-wpdb.php	115.512KB	Edit File Delete File Rename
class.wp-dependencies.php	0.364KB	Edit File Delete File Rename
class.wp-scripts.php	0.335KB	Edit File Delete File Rename
class.wp-styles.php	0.33KB	Edit File Delete File Rename
comment.php	128.464KB	Edit File Delete File Rename
compat.php	15.992KB	Edit File Delete File Rename
cron.php	41.658KB	Edit File Delete File Rename
default-constants.php	11.099KB	Edit File Delete File Rename
default-filters.php	35.837KB	Edit File Delete File Rename
default-widgets.php	2.241KB	Edit File Delete File Rename
deprecated.php	187.073KB	Edit File Delete File Rename
embed.php	37.277KB	Edit File Delete File Rename
error-protection.php	4.024KB	Edit File Delete File Rename
feed-atom-comments.php	5.375KB	Edit File Delete File Rename
feed-atom.php	3.048KB	Edit File Delete File Rename
feed-rss.php	1.161KB	Edit File Delete File Rename
feed-rss2-comments.php	4.039KB	Edit File Delete File Rename
feed-rss2.php	3.71KB	Edit File Delete File Rename
formatting.php	334.884KB	Edit File Delete File Rename
functions.php	281.963KB	Edit File Delete File Rename
functions.wp-styles.php	8.382KB	Edit File Delete File Rename
global-styles-and-settings.php	20.763KB	Edit File Delete File Rename
http.php	24.719KB	Edit File Delete File Rename
https-migration.php	4.63KB	Edit File Delete File Rename
locale.php	0.158KB	Edit File Delete File Rename
ms-blogs.php	25.239KB	Edit File Delete File Rename
ms-default-constants.php	4.806KB	Edit File Delete File Rename
ms-default-filters.php	6.48KB	Edit File Delete File Rename
ms-deprecated.php	21.249KB	Edit File Delete File Rename
ms-files.php	2.68KB	Edit File Delete File Rename
ms-functions.php	89.436KB	Edit File Delete File Rename
ms-load.php	19.417KB	Edit File Delete File Rename
ms-network.php	3.693KB	Edit File Delete File Rename
ms-settings.php	4.099KB	Edit File Delete File Rename
nav-menu.php	43.333KB	Edit File Delete File Rename
option.php	100.649KB	Edit File Delete File Rename
pluggable-deprecated.php	6.176KB	Edit File Delete File Rename
pluggable.php	119.824KB	Edit File Delete File Rename
plugin.php	34.634KB	Edit File Delete File Rename
post-formats.php	6.936KB	Edit File Delete File Rename
query.php	36.167KB	Edit File Delete File Rename
registration-functions.php	0.195KB	Edit File Delete File Rename
rest-api.php	97.907KB	Edit File Delete File Rename
revision.php	30.021KB	Edit File Delete File Rename
rewrite.php	19.083KB	Edit File Delete File Rename
robots-template.php	5.063KB	Edit File Delete File Rename
rss-functions.php	0.249KB	Edit File Delete File Rename
rss.php	22.571KB	Edit File Delete File Rename
script-loader.php	130.139KB	Edit File Delete File Rename
script-modules.php	7.531KB	Edit File Delete File Rename
session.php	0.252KB	Edit File Delete File Rename
shortcodes.php	23.487KB	Edit File Delete File Rename
speculative-loading.php	8.357KB	Edit File Delete File Rename
spl-autoload-compat.php	0.431KB	Edit File Delete File Rename
style-engine.php	7.386KB	Edit File Delete File Rename
taxonomy.php	172.097KB	Edit File Delete File Rename
template-canvas.php	0.531KB	Edit File Delete File Rename
template-loader.php	2.941KB	Edit File Delete File Rename
theme-i18n.json	1.49KB	Edit File Delete File Rename
theme.json	8.5KB	Edit File Delete File Rename
theme.php	131.155KB	Edit File Delete File Rename
update.php	36.624KB	Edit File Delete File Rename
user.php	171.702KB	Edit File Delete File Rename
vars.php	6.408KB	Edit File Delete File Rename
widgets.php	69.062KB	Edit File Delete File Rename
wp-db.php	0.435KB	Edit File Delete File Rename
wp-diff.php	0.78KB	Edit File Delete File Rename