23 lines
489 B
JavaScript
23 lines
489 B
JavaScript
|
'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);
|
||
|
|
};
|