ems' => array( 'type' => 'object', 'properties' => array( 'name' => array( 'type' => 'string', ), 'size' => array( 'type' => 'number', ), 'slug' => array( 'type' => 'string', ), ), ), ), ), ) ); register_theme_feature( 'editor-gradient-presets', array( 'type' => 'array', 'description' => __( 'Custom gradient presets if defined by the theme.' ), 'show_in_rest' => array( 'schema' => array( 'items' => array( 'type' => 'object', 'properties' => array( 'name' => array( 'type' => 'string', ), 'gradient' => array( 'type' => 'string', ), 'slug' => array( 'type' => 'string', ), ), ), ), ), ) ); register_theme_feature( 'editor-styles', array( 'description' => __( 'Whether theme opts in to the editor styles CSS wrapper.' ), 'show_in_rest' => true, ) ); register_theme_feature( 'html5', array( 'type' => 'array', 'description' => __( 'Allows use of HTML5 markup for search forms, comment forms, comment lists, gallery, and caption.' ), 'show_in_rest' => array( 'schema' => array( 'items' => array( 'type' => 'string', 'enum' => array( 'search-form', 'comment-form', 'comment-list', 'gallery', 'caption', 'script', 'style', ), ), ), ), ) ); register_theme_feature( 'post-formats', array( 'type' => 'array', 'description' => __( 'Post formats supported.' ), 'show_in_rest' => array( 'name' => 'formats', 'schema' => array( 'items' => array( 'type' => 'string', 'enum' => get_post_format_slugs(), ), 'default' => array( 'standard' ), ), 'prepare_callback' => static function ( $formats ) { $formats = is_array( $formats ) ? array_values( $formats[0] ) : array(); $formats = array_merge( array( 'standard' ), $formats ); return $formats; }, ), ) ); register_theme_feature( 'post-thumbnails', array( 'type' => 'array', 'description' => __( 'The post types that support thumbnails or true if all post types are supported.' ), 'show_in_rest' => array( 'type' => array( 'boolean', 'array' ), 'schema' => array( 'items' => array( 'type' => 'string', ), ), ), ) ); register_theme_feature( 'responsive-embeds', array( 'description' => __( 'Whether the theme supports responsive embedded content.' ), 'show_in_rest' => true, ) ); register_theme_feature( 'title-tag', array( 'description' => __( 'Whether the theme can manage the document title tag.' ), 'show_in_rest' => true, ) ); register_theme_feature( 'wp-block-styles', array( 'description' => __( 'Whether theme opts in to default WordPress block styles for viewing.' ), 'show_in_rest' => true, ) ); } /** * Returns whether the current theme is a block-based theme or not. * * @since 5.9.0 * * @return boolean Whether the current theme is a block-based theme or not. */ function wp_is_block_theme() { return wp_get_theme()->is_block_theme(); } /** * Adds default theme supports for block themes when the 'setup_theme' action fires. * * See {@see 'setup_theme'}. * * @since 5.9.0 * @access private */ function _add_default_theme_supports() { if ( ! wp_is_block_theme() ) { return; } add_theme_support( 'post-thumbnails' ); add_theme_support( 'responsive-embeds' ); add_theme_support( 'editor-styles' ); /* * Makes block themes support HTML5 by default for the comment block and search form * (which use default template functions) and `[caption]` and `[gallery]` shortcodes. * Other blocks contain their own HTML5 markup. */ add_theme_support( 'html5', array( 'comment-form', 'comment-list', 'search-form', 'gallery', 'caption', 'style', 'script' ) ); add_theme_support( 'automatic-feed-links' ); add_filter( 'should_load_separate_core_block_assets', '__return_true' ); }