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Pagination #14

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Merged
TorstenDittmann merged 2 commits into from
Jun 7, 2022
Merged

Pagination #14

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ce25bc8
fix: refactored pagination function
ArmanNik May 30, 2022
41fd2a8
fix: now component visible when there aren't pages
ArmanNik May 30, 2022
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57 changes: 36 additions & 21 deletions src/lib/components/pagination.svelte
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Original file line number Diff line number Diff line change
Expand Up @@ -13,6 +13,7 @@
offset = limit * (page - 1);
currentPage = page;
dispatch('change');
pages = pagination(currentPage, totalPages);
}
}

Expand All @@ -21,36 +22,32 @@
currentPage += 1;
offset = limit * (currentPage - 1);
dispatch('change');
pages = pagination(currentPage, totalPages);
} else if (direction === 'prev' && currentPage > 1) {
currentPage -= 1;
offset = limit * (currentPage - 1);
dispatch('change');
pages = pagination(currentPage, totalPages);
}
}

let pages = pagination(currentPage, totalPages);

function pagination(current: number, total: number) {
let delta = 2,
left = current - delta,
right = current + delta + 1,
range = [],
rangeWithDots = [];

for (let i = 1; i <= total; i++) {
if (i == 1 || i == total || (i >= left && i < right)) {
range.push(i);
}
}

rangeWithDots = range.reduce((prev, current, index) => {
if (current - prev[index - 1] > delta) {
prev.push('...');
}
prev.push(current);
return prev;
}, []);
return rangeWithDots;
function pagination(page: number, total: number) {
const pagesShown = 5;
const start = Math.max(
1,
Math.min(page - Math.floor((pagesShown - 3) / 2), total - pagesShown + 2)
);
const end = Math.min(
total,
Math.max(page + Math.floor((pagesShown - 2) / 2), pagesShown - 1)
);
return [
...(start > 2 ? [1, '...'] : start > 1 ? [1] : []),
...Array.from({ length: end + 1 - start }, (_, i) => i + start),
...(end < total - 1 ? ['...', total] : end < total ? [total] : [])
];
}
</script>

Expand Down Expand Up @@ -93,4 +90,22 @@
<span class="icon-cheveron-right" aria-hidden="true" />
</button>
</nav>
{:else}
<nav class="pagination">
<button class="button is-text is-disabled" aria-label="prev page">
<span class="icon-cheveron-left" aria-hidden="true" />
<span class="text">Prev</span>
</button>
<ol class="pagination-list is-only-desktop">
<li class="pagination-item">
<button class="button is-disabled" aria-label="page">
<span class="text">1</span>
</button>
</li>
</ol>
<button class="button is-text is-disabled" aria-label="next page">
<span class="text">Next</span>
<span class="icon-cheveron-right" aria-hidden="true" />
</button>
</nav>
{/if}