Function createSidebarAddItem

packages/shared/src/components/sidebar/common.tsx:199–208

(
  title: string,
  target: { onClick: () => void } | { href: string },
)

// next squad / folder / feed. Pass either an `onClick` (button row, e.g. opens
// a modal) or an `href` (link row, e.g. a create page).
export const createSidebarAddItem = (
  title: string,
  target: { onClick: () => void } | { href: string },
): SidebarMenuItem => ({
  icon: () => <ListIcon Icon={() => <PlusIcon />} />,
  title,
  ...('href' in target
    ? { path: target.href, isForcedLink: true }
    : { action: target.onClick }),
});

// A horizontal divider row that groups options inside a v2 panel, mirroring the
// settings dropdown. `key` just needs to be unique within the item list.