Files
wanderer/web/src/lib/components/base/pagination.svelte
Christian Beutel 3721b7f537 Migrates to svelte 5
2025-01-24 17:46:13 +01:00

93 lines
3.2 KiB
Svelte

<script lang="ts">
import { range } from "$lib/util/array_util";
interface Props {
page: number;
totalPages: number;
onpagination?: (page: number) => void;
}
let { page, totalPages, onpagination }: Props = $props();
const maxPagesToRender = 6;
function update(clickedPage: number) {
if (page !== clickedPage) {
onpagination?.(clickedPage);
}
}
let numberGenerator = $derived(() => {
if (totalPages < 4) {
return [];
}
if (totalPages <= maxPagesToRender) {
return range(totalPages - 2, 2);
}
if (page < maxPagesToRender - 2) {
return range(maxPagesToRender - 1, 2);
}
if (page > totalPages - 3) {
return range(totalPages - 2, totalPages - 5);
}
if (page > 2 && page <= totalPages - 3) {
return range(page + Math.max(1, maxPagesToRender - 5), page - 2);
}
return [];
});
</script>
<div class="flex gap-x-4 justify-center">
{#if totalPages > 1}
<button
aria-label="Next page"
class:text-gray-500={page == 1}
disabled={page == 1}
onclick={() => update(page - 1)}
><i class="fa fa-caret-left"></i></button
>
<button
class="w-8 aspect-square rounded-lg transition-colors border-input-border hover:bg-menu-item-background-hover"
class:border={page == 1}
onclick={() => update(1)}>1</button
>
{#if totalPages > maxPagesToRender && page >= maxPagesToRender - 2 && page > 2}
<span>...</span>
{:else if totalPages > 2}
<button
class="w-8 aspect-square rounded-lg transition-colors border-input-border hover:bg-menu-item-background-hover"
class:border={page == 2}
onclick={() => update(2)}>2</button
>
{/if}
{#each numberGenerator() as i}
<button
class="w-8 aspect-square rounded-lg transition-colors border-input-border hover:bg-menu-item-background-hover"
class:border={page == i + 1}
onclick={() => update(i + 1)}>{i + 1}</button
>
{/each}
{#if totalPages > maxPagesToRender && page < totalPages - 3}
<span>...</span>
{:else if totalPages > 3}
<button
class="w-8 aspect-square rounded-lg transition-colors border-input-border hover:bg-menu-item-background-hover"
class:border={page == totalPages - 1}
onclick={() => update(totalPages - 1)}>{totalPages - 1}</button
>
{/if}
<button
class="w-8 aspect-square rounded-lg transition-colors border-input-border hover:bg-menu-item-background-hover"
class:border={page == totalPages}
onclick={() => update(totalPages)}>{totalPages}</button
>
<button
aria-label="Previous page"
class:text-gray-500={page == totalPages}
disabled={page == totalPages}
onclick={() => update(page + 1)}
><i class="fa fa-caret-right"></i></button
>
{/if}
</div>