wp_register_alignment_support( WP_Block_Type $block_type )

17function wp_register_alignment_support( $block_type ) {18	$has_align_support = block_has_support( $block_type, 'align', false );19	if ( $has_align_support ) {20		if ( ! $block_type->attributes ) {21			$block_type->attributes = array();22		}23 24		if ( ! array_key_exists( 'align', $block_type->attributes ) ) {25			$block_type->attributes['align'] = array(26				'type' => 'string',27				'enum' => array( 'left', 'center', 'right', 'wide', 'full', '' ),28			);29		}30	}31}