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Edit File : class.wp-scripts.php \| Size : 18.04 KB
<?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 string which contains the type attribute for script tag. * * If the current theme does not declare HTML5 support for 'script', * then it initializes as `type='text/javascript'`. * * @since 5.3.0 * @var string / private $type_attr = ''; /* * 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() { if ( function_exists( 'is_admin' ) && ! is_admin() && function_exists( 'current_theme_supports' ) && ! current_theme_supports( 'html5', 'script' ) ) { $this->type_attr = " type='text/javascript'"; } /* * Fires when the WP_Scripts instance is initialized. * * @since 2.6.0 * * @param WP_Scripts $this WP_Scripts instance (passed by reference). / do_action_ref_array( 'wp_default_scripts', array( &$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, $group ); } /* * Prints extra scripts of a registered script. * * @since 2.1.0 * @since 2.8.0 Added the `$echo` parameter. * @deprecated 3.3.0 * * @see print_extra_script() * * @param string $handle The script's registered handle. * @param bool $echo Optional. Whether to echo the extra script * instead of just returning it. Default true. * @return bool\|string\|void Void if no data exists, extra scripts if `$echo` is true, * true otherwise. / public function print_scripts_l10n( $handle, $echo = true ) { _deprecated_function( __FUNCTION__, '3.3.0', 'WP_Scripts::print_extra_script()' ); return $this->print_extra_script( $handle, $echo ); } /* * Prints extra scripts of a registered script. * * @since 3.3.0 * * @param string $handle The script's registered handle. * @param bool $echo Optional. Whether to echo the extra script * instead of just returning it. Default true. * @return bool\|string\|void Void if no data exists, extra scripts if `$echo` is true, * true otherwise. / public function print_extra_script( $handle, $echo = true ) { $output = $this->get_data( $handle, 'data' ); if ( ! $output ) { return; } if ( ! $echo ) { return $output; } printf( "<script%s id='%s-js-extra'>\n", $this->type_attr, esc_attr( $handle ) ); // CDATA is not needed for HTML 5. if ( $this->type_attr ) { echo "/ <![CDATA[ /\n"; } echo "$output\n"; if ( $this->type_attr ) { echo "/ ]]> /\n"; } echo "</script>\n"; return true; } /* * Processes a script dependency. * * @since 2.6.0 * @since 2.8.0 Added the `$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 . '&' . $this->args[ $handle ] : $this->args[ $handle ]; } $src = $obj->src; $cond_before = ''; $cond_after = ''; $conditional = isset( $obj->extra['conditional'] ) ? $obj->extra['conditional'] : ''; if ( $conditional ) { $cond_before = "<!--[if {$conditional}]>\n"; $cond_after = "<![endif]-->\n"; } $before_handle = $this->print_inline_script( $handle, 'before', false ); $after_handle = $this->print_inline_script( $handle, 'after', false ); if ( $before_handle ) { $before_handle = sprintf( "<script%s id='%s-js-before'>\n%s\n</script>\n", $this->type_attr, esc_attr( $handle ), $before_handle ); } if ( $after_handle ) { $after_handle = sprintf( "<script%s id='%s-js-after'>\n%s\n</script>\n", $this->type_attr, esc_attr( $handle ), $after_handle ); } if ( $before_handle \|\| $after_handle ) { $inline_script_tag = $cond_before . $before_handle . $after_handle . $cond_after; } else { $inline_script_tag = ''; } $translations = $this->print_translations( $handle, false ); if ( $translations ) { $translations = sprintf( "<script%s id='%s-js-translations'>\n%s\n</script>\n", $this->type_attr, esc_attr( $handle ), $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. / $srce = apply_filters( 'script_loader_src', $src, $handle ); if ( $this->in_default_dir( $srce ) && ( $before_handle \|\| $after_handle \|\| $translations ) ) { $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( $srce ) && ! $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 $cond_before; } $this->print_extra_script( $handle ); if ( $has_conditional_data ) { echo $cond_after; } // 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 && 0 === strpos( $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( apply_filters( 'script_loader_src', $src, $handle ) ); if ( ! $src ) { return true; } $tag = $translations . $cond_before . $before_handle; $tag .= sprintf( "<script%s src='%s' id='%s-js'></script>\n", $this->type_attr, $src, esc_attr( $handle ) ); $tag .= $after_handle . $cond_after; /* * 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 * * @param string $handle Name of the script to add the inline script to. * Must be lowercase. * @param string $position Optional. Whether to add the inline script * before the handle or after. Default 'after'. * @param bool $echo Optional. Whether to echo the script * instead of just returning it. Default true. * @return string\|false Script on success, false otherwise. / public function print_inline_script( $handle, $position = 'after', $echo = true ) { $output = $this->get_data( $handle, $position ); if ( empty( $output ) ) { return false; } $output = trim( implode( "\n", $output ), "\n" ); if ( $echo ) { printf( "<script%s id='%s-js-%s'>\n%s\n</script>\n", $this->type_attr, esc_attr( $handle ), esc_attr( $position ), $output ); } return $output; } /* * 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'] ); } foreach ( (array) $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 ) { $grp = 1; } else { $grp = (int) $this->get_data( $handle, 'group' ); } if ( false !== $group && $grp > $group ) { $grp = $group; } return parent::set_group( $handle, $recursion, $grp ); } /* * Sets a translation textdomain. * * @since 5.0.0 * @since 5.1.0 The `$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 = null ) { 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 $echo Optional. Whether to echo the script * instead of just returning it. Default true. * @return string\|false Script on success, false otherwise. / public function print_translations( $handle, $echo = true ) { if ( ! isset( $this->registered[ $handle ] ) \|\| empty( $this->registered[ $handle ]->textdomain ) ) { return false; } $domain = $this->registered[ $handle ]->textdomain; $path = $this->registered[ $handle ]->translations_path; $json_translations = load_script_textdomain( $handle, $domain, $path ); if ( ! $json_translations ) { // Register empty locale data object to ensure the domain still exists. $json_translations = '{ "locale_data": { "messages": { "": {} } } }'; } $output = <<<JS ( function( domain, translations ) { var localeData = translations.locale_data[ domain ] \|\| translations.locale_data.messages; localeData[""].domain = domain; wp.i18n.setLocaleData( localeData, domain ); } )( "{$domain}", {$json_translations} ); JS; if ( $echo ) { printf( "<script%s id='%s-js-translations'>\n%s\n</script>\n", $this->type_attr, esc_attr( $handle ), $output ); } 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 ) { $r = 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 $r; } /* * 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 ( 0 === strpos( $src, '/' . WPINC . '/js/l10n' ) ) { return false; } foreach ( (array) $this->default_dirs as $test ) { if ( 0 === strpos( $src, $test ) ) { return true; } } return false; } /* * 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 = ''; } } Back

Edit File : class.wp-scripts.php | Size : 18.04 KB

<?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 string which contains the type attribute for script tag.
	 *
	 * If the current theme does not declare HTML5 support for 'script',
	 * then it initializes as `type='text/javascript'`.
	 *
	 * @since 5.3.0
	 * @var string
	 */
	private $type_attr = '';

/**
	 * 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() {
		if (
			function_exists( 'is_admin' ) && ! is_admin()
		&&
			function_exists( 'current_theme_supports' ) && ! current_theme_supports( 'html5', 'script' )
		) {
			$this->type_attr = " type='text/javascript'";
		}

/**
		 * Fires when the WP_Scripts instance is initialized.
		 *
		 * @since 2.6.0
		 *
		 * @param WP_Scripts $this WP_Scripts instance (passed by reference).
		 */
		do_action_ref_array( 'wp_default_scripts', array( &$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 `$echo` parameter.
	 * @deprecated 3.3.0
	 *
	 * @see print_extra_script()
	 *
	 * @param string $handle The script's registered handle.
	 * @param bool   $echo   Optional. Whether to echo the extra script
	 *                       instead of just returning it. Default true.
	 * @return bool|string|void Void if no data exists, extra scripts if `$echo` is true,
	 *                          true otherwise.
	 */
	public function print_scripts_l10n( $handle, $echo = true ) {
		_deprecated_function( __FUNCTION__, '3.3.0', 'WP_Scripts::print_extra_script()' );
		return $this->print_extra_script( $handle, $echo );
	}

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

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

printf( "<script%s id='%s-js-extra'>\n", $this->type_attr, esc_attr( $handle ) );

// CDATA is not needed for HTML 5.
		if ( $this->type_attr ) {
			echo "/* <![CDATA[ */\n";
		}

echo "$output\n";

if ( $this->type_attr ) {
			echo "/* ]]> */\n";
		}

echo "</script>\n";

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;
		$cond_before = '';
		$cond_after  = '';
		$conditional = isset( $obj->extra['conditional'] ) ? $obj->extra['conditional'] : '';

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

$before_handle = $this->print_inline_script( $handle, 'before', false );
		$after_handle  = $this->print_inline_script( $handle, 'after', false );

if ( $before_handle ) {
			$before_handle = sprintf( "<script%s id='%s-js-before'>\n%s\n</script>\n", $this->type_attr, esc_attr( $handle ), $before_handle );
		}

if ( $after_handle ) {
			$after_handle = sprintf( "<script%s id='%s-js-after'>\n%s\n</script>\n", $this->type_attr, esc_attr( $handle ), $after_handle );
		}

if ( $before_handle || $after_handle ) {
			$inline_script_tag = $cond_before . $before_handle . $after_handle . $cond_after;
		} else {
			$inline_script_tag = '';
		}

$translations = $this->print_translations( $handle, false );
		if ( $translations ) {
			$translations = sprintf( "<script%s id='%s-js-translations'>\n%s\n</script>\n", $this->type_attr, esc_attr( $handle ), $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.
			 */
			$srce = apply_filters( 'script_loader_src', $src, $handle );

if ( $this->in_default_dir( $srce ) && ( $before_handle || $after_handle || $translations ) ) {
				$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( $srce ) && ! $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 $cond_before;
		}

$this->print_extra_script( $handle );

if ( $has_conditional_data ) {
			echo $cond_after;
		}

// 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 && 0 === strpos( $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( apply_filters( 'script_loader_src', $src, $handle ) );

if ( ! $src ) {
			return true;
		}

$tag  = $translations . $cond_before . $before_handle;
		$tag .= sprintf( "<script%s src='%s' id='%s-js'></script>\n", $this->type_attr, $src, esc_attr( $handle ) );
		$tag .= $after_handle . $cond_after;

/**
		 * 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
	 *
	 * @param string $handle   Name of the script to add the inline script to.
	 *                         Must be lowercase.
	 * @param string $position Optional. Whether to add the inline script
	 *                         before the handle or after. Default 'after'.
	 * @param bool   $echo     Optional. Whether to echo the script
	 *                         instead of just returning it. Default true.
	 * @return string|false Script on success, false otherwise.
	 */
	public function print_inline_script( $handle, $position = 'after', $echo = true ) {
		$output = $this->get_data( $handle, $position );

if ( empty( $output ) ) {
			return false;
		}

$output = trim( implode( "\n", $output ), "\n" );

if ( $echo ) {
			printf( "<script%s id='%s-js-%s'>\n%s\n</script>\n", $this->type_attr, esc_attr( $handle ), esc_attr( $position ), $output );
		}

return $output;
	}

/**
	 * 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'] );
		}

foreach ( (array) $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 ) {
			$grp = 1;
		} else {
			$grp = (int) $this->get_data( $handle, 'group' );
		}

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

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

/**
	 * 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 = null ) {
		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   $echo   Optional. Whether to echo the script
	 *                       instead of just returning it. Default true.
	 * @return string|false Script on success, false otherwise.
	 */
	public function print_translations( $handle, $echo = true ) {
		if ( ! isset( $this->registered[ $handle ] ) || empty( $this->registered[ $handle ]->textdomain ) ) {
			return false;
		}

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

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

if ( ! $json_translations ) {
			// Register empty locale data object to ensure the domain still exists.
			$json_translations = '{ "locale_data": { "messages": { "": {} } } }';
		}

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

if ( $echo ) {
			printf( "<script%s id='%s-js-translations'>\n%s\n</script>\n", $this->type_attr, esc_attr( $handle ), $output );
		}

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 ) {
		$r = 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 $r;
	}

/**
	 * 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 ( 0 === strpos( $src, '/' . WPINC . '/js/l10n' ) ) {
			return false;
		}

foreach ( (array) $this->default_dirs as $test ) {
			if ( 0 === strpos( $src, $test ) ) {
				return true;
			}
		}
		return false;
	}

/**
	 * 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    = '';
	}
}

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