theme_location ) {
$svg = twentynineteen_get_social_link_svg( $item->url, 32 );
if ( empty( $svg ) ) {
$svg = twentynineteen_get_icon_svg( 'link' );
}
$item_output = str_replace( $args->link_after, '' . $svg, $item_output );
}
return $item_output;
}
add_filter( 'walker_nav_menu_start_el', 'twentynineteen_nav_menu_social_icons', 10, 4 );
/**
* Add a dropdown icon to top-level menu items.
*
* @param string $item_output The menu item's starting HTML output.
* @param WP_Post $item Menu item data object.
* @param int $depth Depth of the menu. Used for padding.
* @param stdClass $args An object of wp_nav_menu() arguments.
* @return string Nav menu item start element.
*/
function twentynineteen_add_dropdown_icons( $item_output, $item, $depth, $args ) {
// Only add class to 'top level' items on the 'primary' menu.
if ( ! isset( $args->theme_location ) || 'menu-1' !== $args->theme_location ) {
return $item_output;
}
if ( in_array( 'mobile-parent-nav-menu-item', $item->classes, true ) && isset( $item->original_id ) ) {
// Inject the keyboard_arrow_left SVG inside the parent nav menu item, and let the item link to the parent item.
// @todo Only do this for nested submenus? If on a first-level submenu, then really the link could be "#" since the desire is to remove the target entirely.
$link = sprintf(
'.
$item_output = preg_replace(
'##i',
'',
$item_output,
1 // Limit.
);
} elseif ( in_array( 'menu-item-has-children', $item->classes, true ) ) {
// Add SVG icon to parent items.
$icon = twentynineteen_get_icon_svg( 'keyboard_arrow_down', 24 );
$item_output .= sprintf(
'',
$icon
);
}
return $item_output;
}
add_filter( 'walker_nav_menu_start_el', 'twentynineteen_add_dropdown_icons', 10, 4 );