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15 lines
551 B
TypeScript
15 lines
551 B
TypeScript
import { ValidationError } from '../error';
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async function paginate(cursor: import('mongodb').Cursor, page: number, pageSize: number): Promise<[any[], number, number]> {
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if (page <= 0) throw new ValidationError('page');
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const [count, pageDocs] = await Promise.all([
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cursor.count(),
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cursor.skip((page - 1) * pageSize).limit(pageSize).toArray(),
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]);
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const numPages = Math.floor((count + pageSize - 1) / pageSize);
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return [pageDocs, numPages, count];
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}
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global.Hydro.lib.paginate = paginate;
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export default paginate;
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