ndencies = array(); foreach ( $this->registered[ $id ]['dependencies'] as $dependency ) { if ( in_array( $dependency['import'], $import_types, true ) && isset( $this->registered[ $dependency['id'] ] ) && ! isset( $dependency_script_modules[ $dependency['id'] ] ) ) { $dependencies[ $dependency['id'] ] = $this->registered[ $dependency['id'] ]; } } return array_merge( $dependency_script_modules, $dependencies, $this->get_dependencies( array_keys( $dependencies ), $import_types ) ); }, array() ); } /** * Gets the versioned URL for a script module src. * * 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. * Otherwise, the string passed in $version is used. * * @since 6.5.0 * * @param string $id The script module identifier. * @return string The script module src with a version if relevant. */ private function get_src( string $id ): string { if ( ! isset( $this->registered[ $id ] ) ) { return ''; } $script_module = $this->registered[ $id ]; $src = $script_module['src']; if ( false === $script_module['version'] ) { $src = add_query_arg( 'ver', get_bloginfo( 'version' ), $src ); } elseif ( null !== $script_module['version'] ) { $src = add_query_arg( 'ver', $script_module['version'], $src ); } /** * Filters the script module source. * * @since 6.5.0 * * @param string $src Module source URL. * @param string $id Module identifier. */ $src = apply_filters( 'script_module_loader_src', $src, $id ); return $src; } /** * Print data associated with Script Modules. * * The data will be embedded in the page HTML and can be read by Script Modules on page load. * * @since 6.7.0 * * Data can be associated with a Script Module via the * {@see "script_module_data_{$module_id}"} filter. * * The data for a Script Module will be serialized as JSON in a script tag with an ID of the * form `wp-script-module-data-{$module_id}`. */ public function print_script_module_data(): void { $modules = array(); foreach ( array_keys( $this->get_marked_for_enqueue() ) as $id ) { if ( '@wordpress/a11y' === $id ) { $this->a11y_available = true; } $modules[ $id ] = true; } foreach ( array_keys( $this->get_import_map()['imports'] ) as $id ) { if ( '@wordpress/a11y' === $id ) { $this->a11y_available = true; } $modules[ $id ] = true; } foreach ( array_keys( $modules ) as $module_id ) { /** * Filters data associated with a given Script Module. * * Script Modules may require data that is required for initialization or is essential * to have immediately available on page load. These are suitable use cases for * this data. * * The dynamic portion of the hook name, `$module_id`, refers to the Script Module ID * that the data is associated with. * * This is best suited to pass essential data that must be available to the module for * initialization or immediately on page load. It does not replace the REST API or * fetching data from the client. * * @example * add_filter( * 'script_module_data_MyScriptModuleID', * function ( array $data ): array { * $data['script-needs-this-data'] = 'ok'; * return $data; * } * ); * * If the filter returns no data (an empty array), nothing will be embedded in the page. * * The data for a given Script Module, if provided, will be JSON serialized in a script * tag with an ID of the form `wp-script-module-data-{$module_id}`. * * The data can be read on the client with a pattern like this: * * @example * const dataContainer = document.getElementById( 'wp-script-module-data-MyScriptModuleID' ); * let data = {}; * if ( dataContainer ) { * try { * data = JSON.parse( dataContainer.textContent ); * } catch {} * } * initMyScriptModuleWithData( data ); * * @since 6.7.0 * * @param array $data The data associated with the Script Module. */ $data = apply_filters( "script_module_data_{$module_id}", array() ); if ( is_array( $data ) && array() !== $data ) { /* * This data will be printed as JSON inside a script tag like this: * * * A script tag must be closed by a sequence beginning with ``. It's impossible to * close a script tag without using `<`. We ensure that `<` is escaped and `/` can * remain unescaped, so `` will be printed as `\u003C/script\u00E3`. * * - JSON_HEX_TAG: All < and > are converted to \u003C and \u003E. * - JSON_UNESCAPED_SLASHES: Don't escape /. * * If the page will use UTF-8 encoding, it's safe to print unescaped unicode: * * - JSON_UNESCAPED_UNICODE: Encode multibyte Unicode characters literally (instead of as `\uXXXX`). * - JSON_UNESCAPED_LINE_TERMINATORS: The line terminators are kept unescaped when * JSON_UNESCAPED_UNICODE is supplied. It uses the same behaviour as it was * before PHP 7.1 without this constant. Available as of PHP 7.1.0. * * The JSON specification requires encoding in UTF-8, so if the generated HTML page * is not encoded in UTF-8 then it's not safe to include those literals. They must * be escaped to avoid encoding issues. * * @see https://www.rfc-editor.org/rfc/rfc8259.html for details on encoding requirements. * @see https://www.php.net/manual/en/json.constants.php for details on these constants. * @see https://html.spec.whatwg.org/#script-data-state for details on script tag parsing. */ $json_encode_flags = JSON_HEX_TAG | JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_LINE_TERMINATORS; if ( ! is_utf8_charset() ) { $json_encode_flags = JSON_HEX_TAG | JSON_UNESCAPED_SLASHES; } wp_print_inline_script_tag( wp_json_encode( $data, $json_encode_flags ), array( 'type' => 'application/json', 'id' => "wp-script-module-data-{$module_id}", ) ); } } } /** * @access private This is only intended to be called by the registered actions. * * @since 6.7.0 */ public function print_a11y_script_module_html() { if ( ! $this->a11y_available ) { return; } echo '
'; } }