wp_is_block_theme()

wp_is_block_theme(): bool

function wp_is_block_theme() {
	if ( empty( $GLOBALS['wp_theme_directories'] ) ) {
		_doing_it_wrong( __FUNCTION__, __( 'This function should not be called before the theme directory is registered.' ), '6.8.0' );
		return false;
	}

	return wp_get_theme()->is_block_theme();
}