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- 'use strict';
- module.exports = (cursor, total, maxVisible) => {
- maxVisible = maxVisible || total;
- let startIndex = Math.min(total- maxVisible, cursor - Math.floor(maxVisible / 2));
- if (startIndex < 0) startIndex = 0;
- let endIndex = Math.min(startIndex + maxVisible, total);
- return { startIndex, endIndex };
- };
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