rckrdmrd
97f407c661
- Prefijo v2: MCH - TRACEABILITY-MASTER.yml creado - Listo para integracion como submodulo Workspace: v2.0.0 | SIMCO: v4.0.0
22 lines
721 B
JavaScript
22 lines
721 B
JavaScript
'use strict';
|
|
|
|
/**
|
|
* Determine what entries should be displayed on the screen, based on the
|
|
* currently selected index and the maximum visible. Used in list-based
|
|
* prompts like `select` and `multiselect`.
|
|
*
|
|
* @param {number} cursor the currently selected entry
|
|
* @param {number} total the total entries available to display
|
|
* @param {number} [maxVisible] the number of entries that can be displayed
|
|
*/
|
|
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 };
|
|
};
|