Innovenergy_trunk/frontend/node_modules/prompts/lib/util/clear.js

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'use strict';
const strip = require('./strip');
const { erase, cursor } = require('sisteransi');
const width = str => [...strip(str)].length;
/**
* @param {string} prompt
* @param {number} perLine
*/
module.exports = function(prompt, perLine) {
if (!perLine) return erase.line + cursor.to(0);
let rows = 0;
const lines = prompt.split(/\r?\n/);
for (let line of lines) {
rows += 1 + Math.floor(Math.max(width(line) - 1, 0) / perLine);
}
return erase.lines(rows);
};