block_core_navigation_get_layout_custom_property_declarations( array $layout ): array

51function block_core_navigation_get_layout_custom_property_declarations( $layout ) {52	$justification_values = array(53		'left'          => 'flex-start',54		'center'        => 'center',55		'right'         => 'flex-end',56		'space-between' => 'space-between',57	);58	$justify_content      = is_array( $layout ) ? ( $layout['justifyContent'] ?? 'left' ) : 'left';59	if ( ! is_string( $justify_content ) || ! isset( $justification_values[ $justify_content ] ) ) {60		$justify_content = 'left';61	}62 63	$justification = $justification_values[ $justify_content ];64	$is_vertical   = is_array( $layout ) && 'vertical' === ( $layout['orientation'] ?? null );65	$align         = 'center';66	$justify       = $justification;67 68	if ( $is_vertical ) {69		$align   = in_array( $justify_content, array( 'center', 'right' ), true ) ? $justification : 'flex-start';70		$justify = 'left' === $justify_content ? 'initial' : $justification;71	}72 73	return array(74		'--navigation-layout-justification-setting' => $justification,75		'--navigation-layout-direction'             => $is_vertical ? 'column' : 'row',76		'--navigation-layout-wrap'                  => is_array( $layout ) && 'nowrap' === ( $layout['flexWrap'] ?? null ) ? 'nowrap' : 'wrap',77		'--navigation-layout-justify'               => $justify,78		'--navigation-layout-align'                 => $align,79	);80}