<?php
/**
* Script Modules API: Script Module functions
*
* @since 6.5.0
*
* @package WordPress
* @subpackage Script Modules
*/
/**
* Retrieves the main WP_Script_Modules instance.
*
* This function provides access to the WP_Script_Modules instance, creating one
* if it doesn't exist yet.
*
* @since 6.5.0
*
* @global WP_Script_Modules $wp_script_modules
*
* @return WP_Script_Modules The main WP_Script_Modules instance.
*/
function wp_script_modules(): WP_Script_Modules {
global $wp_script_modules;
if ( ! ( $wp_script_modules instanceof WP_Script_Modules ) ) {
$wp_script_modules = new WP_Script_Modules();
}
return $wp_script_modules;
}
/**
* Registers the script module if no script module with that script module
* identifier has already been registered.
*
* @since 6.5.0
* @since 6.9.0 Added the $args parameter.
*
* @param string $id The identifier of the script module. Should be unique. It will be used in the
* final import map.
* @param string $src Optional. Full URL of the script module, or path of the script module relative
* to the WordPress root directory. If it is provided and the script module has
* not been registered yet, it will be registered.
* @param array $deps {
* Optional. List of dependencies.
*
* @type string|array ...$0 {
* An array of script module identifiers of the dependencies of this script
* module. The dependencies can be strings or arrays. If they are arrays,
* they need an `id` key with the script module identifier, and can contain
* an `import` key with either `static` or `dynamic`. By default,
* dependencies that don't contain an `import` key are considered static.
*
* @type string $id The script module identifier.
* @type string $import Optional. Import type. May be either `static` or
* `dynamic`. Defaults to `static`.
* }
* }
* @param string|false|null $version Optional. String specifying the script module version number. Defaults to false.
* It is added to the URL as a query string for cache busting purposes. If $version
* is set to false, the version number is the currently installed WordPress version.
* If $version is set to null, no version is added.
* @param array $args {
* Optional. An array of additional args. Default empty array.
*
* @type bool $in_footer Whether to print the script module in the footer. Only relevant to block themes. Default 'false'. Optional.
* @type 'auto'|'low'|'high' $fetchpriority Fetch priority. Default 'auto'. Optional.
* }
*/
function wp_register_script_module( string $id, string $src, array $deps = array(), $version = false, array $args = array() ) {
wp_script_modules()->register( $id, $src, $deps, $version, $args );
}
/**
* Marks the script module to be enqueued in the page.
*
* If a src is provided and the script module has not been registered yet, it
* will be registered.
*
* @since 6.5.0
* @since 6.9.0 Added the $args parameter.
*
* @param string $id The identifier of the script module. Should be unique. It will be used in the
* final import map.
* @param string $src Optional. Full URL of the script module, or path of the script module relative
* to the WordPress root directory. If it is provided and the script module has
* not been registered yet, it will be registered.
* @param array $deps {
* Optional. List of dependencies.
*
* @type string|array ...$0 {
* An array of script module identifiers of the dependencies of this script
* module. The dependencies can be strings or arrays. If they are arrays,
* they need an `id` key with the script module identifier, and can contain
* an `import` key with either `static` or `dynamic`. By default,
* dependencies that don't contain an `import` key are considered static.
*
* @type string $id The script module identifier.
* @type string $import Optional. Import type. May be either `static` or
* `dynamic`. Defaults to `static`.
* }
* }
* @param string|false|null $version Optional. String specifying the script module version number. Defaults to false.
* It is added to the URL as a query string for cache busting purposes. If $version
* is set to false, the version number is the currently installed WordPress version.
* If $version is set to null, no version is added.
* @param array $args {
* Optional. An array of additional args. Default empty array.
*
* @type bool $in_footer Whether to print the script module in the footer. Only relevant to block themes. Default 'false'. Optional.
* @type 'auto'|'low'|'high' $fetchpriority Fetch priority. Default 'auto'. Optional.
* }
*/
function wp_enqueue_script_module( string $id, string $src = '', array $deps = array(), $version = false, array $args = array() ) {
wp_script_modules()->enqueue( $id, $src, $deps, $version, $args );
}
/**
* Unmarks the script module so it is no longer enqueued in the page.
*
* @since 6.5.0
*
* @param string $id The identifier of the script module.
*/
function wp_dequeue_script_module( string $id ) {
wp_script_modules()->dequeue( $id );
}
/**
* Deregisters the script module.
*
* @since 6.5.0
*
* @param string $id The identifier of the script module.
*/
function wp_deregister_script_module( string $id ) {
wp_script_modules()->deregister( $id );
}
/**
* Registers all the default WordPress Script Modules.
*
* @since 6.7.0
*/
function wp_default_script_modules() {
$suffix = defined( 'WP_RUN_CORE_TESTS' ) ? '.min' : wp_scripts_get_suffix();
/*
* Expects multidimensional array like:
*
* 'interactivity/index.min.js' => array('dependencies' => array(…), 'version' => '…'),
* 'interactivity/debug.min.js' => array('dependencies' => array(…), 'version' => '…'),
* 'interactivity-router/index.min.js' => …
*/
$assets = include ABSPATH . WPINC . "/assets/script-modules-packages{$suffix}.php";
foreach ( $assets as $file_name => $script_module_data ) {
/*
* Build the WordPress Script Module ID from the file name.
* Prepend `@wordpress/` and remove extensions and `/index` if present:
* - interactivity/index.min.js => @wordpress/interactivity
* - interactivity/debug.min.js => @wordpress/interactivity/debug
* - block-library/query/view.js => @wordpress/block-library/query/view
*/
$script_module_id = '@wordpress/' . preg_replace( '~(?:/index)?(?:\.min)?\.js$~D', '', $file_name, 1 );
switch ( $script_module_id ) {
/*
* Interactivity exposes two entrypoints, "/index" and "/debug".
* "/debug" should replace "/index" in development.
*/
case '@wordpress/interactivity/debug':
if ( ! SCRIPT_DEBUG ) {
continue 2;
}
$script_module_id = '@wordpress/interactivity';
break;
case '@wordpress/interactivity':
if ( SCRIPT_DEBUG ) {
continue 2;
}
break;
}
/*
* The Interactivity API is designed with server-side rendering as its primary goal, so all of its script modules
* should be loaded with low fetchpriority and printed in the footer since they should not be needed in the
* critical rendering path. Also, the @wordpress/a11y script module is intended to be used as a dynamic import
* dependency, in which case the fetchpriority is irrelevant. See <https://make.wordpress.org/core/2024/10/14/updates-to-script-modules-in-6-7/>.
* However, in case it is added as a static import dependency, the fetchpriority is explicitly set to be 'low'
* since the module should not be involved in the critical rendering path, and if it is, its fetchpriority will
* be bumped to match the fetchpriority of the dependent script.
*/
$args = array();
if (
str_starts_with( $script_module_id, '@wordpress/interactivity' ) ||
str_starts_with( $script_module_id, '@wordpress/block-library' ) ||
'@wordpress/a11y' === $script_module_id
) {
$args['fetchpriority'] = 'low';
$args['in_footer'] = true;
}
// Marks all Core blocks as compatible with client-side navigation.
if ( str_starts_with( $script_module_id, '@wordpress/block-library' ) ) {
wp_interactivity()->add_client_navigation_support_to_script_module( $script_module_id );
}
$path = includes_url( "js/dist/script-modules/{$file_name}" );
wp_register_script_module( $script_module_id, $path, $script_module_data['dependencies'], $script_module_data['version'], $args );
}
}