Files
thoughts/thoughts-frontend/components/pagination-nav.tsx

77 lines
1.8 KiB
TypeScript

import {
Pagination,
PaginationContent,
PaginationEllipsis,
PaginationItem,
PaginationLink,
PaginationNext,
PaginationPrevious,
} from "@/components/ui/pagination";
interface Props {
page: number;
totalPages: number;
buildHref: (page: number) => string;
}
function pageNumbers(
page: number,
totalPages: number
): (number | "ellipsis")[] {
if (totalPages <= 7) {
return Array.from({ length: totalPages }, (_, i) => i + 1);
}
const pages: (number | "ellipsis")[] = [1];
if (page > 3) pages.push("ellipsis");
const start = Math.max(2, page - 1);
const end = Math.min(totalPages - 1, page + 1);
for (let i = start; i <= end; i++) pages.push(i);
if (page < totalPages - 2) pages.push("ellipsis");
pages.push(totalPages);
return pages;
}
export function PaginationNav({ page, totalPages, buildHref }: Props) {
if (totalPages <= 1) return null;
return (
<Pagination className="mt-8">
<PaginationContent>
<PaginationItem>
<PaginationPrevious
href={page > 1 ? buildHref(page - 1) : "#"}
aria-disabled={page <= 1}
/>
</PaginationItem>
{pageNumbers(page, totalPages).map((p, i) =>
p === "ellipsis" ? (
<PaginationItem key={`ellipsis-${i}`}>
<PaginationEllipsis />
</PaginationItem>
) : (
<PaginationItem key={p}>
<PaginationLink href={buildHref(p)} isActive={p === page}>
{p}
</PaginationLink>
</PaginationItem>
)
)}
<PaginationItem>
<PaginationNext
href={page < totalPages ? buildHref(page + 1) : "#"}
aria-disabled={page >= totalPages}
/>
</PaginationItem>
</PaginationContent>
</Pagination>
);
}