21 lines
633 B
TypeScript
21 lines
633 B
TypeScript
export function getPageNumbers(current: number, total: number, maxButtons = 7) {
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const pages: (number | "...")[] = [];
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if (total <= maxButtons) {
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for (let i = 1; i <= total; i++) pages.push(i);
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return pages;
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}
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const half = Math.floor(maxButtons / 2);
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let start = Math.max(1, current - half);
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let end = Math.min(total, current + half);
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if (start === 1) end = Math.min(total, maxButtons);
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if (end === total) start = Math.max(1, total - maxButtons + 1);
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if (start > 1) pages.push(1, "...");
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for (let i = start; i <= end; i++) pages.push(i);
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if (end < total) pages.push("...", total);
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return pages;
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}
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