40 lines
1.1 KiB
JavaScript
40 lines
1.1 KiB
JavaScript
|
'use strict';
|
||
|
|
||
|
const strip = require('./strip');
|
||
|
|
||
|
const _require = require('sisteransi'),
|
||
|
erase = _require.erase,
|
||
|
cursor = _require.cursor;
|
||
|
|
||
|
const width = str => [...strip(str)].length;
|
||
|
|
||
|
module.exports = function (prompt, perLine = process.stdout.columns) {
|
||
|
if (!perLine) return erase.line + cursor.to(0);
|
||
|
let rows = 0;
|
||
|
const lines = prompt.split(/\r?\n/);
|
||
|
var _iteratorNormalCompletion = true;
|
||
|
var _didIteratorError = false;
|
||
|
var _iteratorError = undefined;
|
||
|
|
||
|
try {
|
||
|
for (var _iterator = lines[Symbol.iterator](), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) {
|
||
|
let line = _step.value;
|
||
|
rows += 1 + Math.floor(Math.max(width(line) - 1, 0) / perLine);
|
||
|
}
|
||
|
} catch (err) {
|
||
|
_didIteratorError = true;
|
||
|
_iteratorError = err;
|
||
|
} finally {
|
||
|
try {
|
||
|
if (!_iteratorNormalCompletion && _iterator.return != null) {
|
||
|
_iterator.return();
|
||
|
}
|
||
|
} finally {
|
||
|
if (_didIteratorError) {
|
||
|
throw _iteratorError;
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
|
||
|
return (erase.line + cursor.prevLine()).repeat(rows - 1) + erase.line + cursor.to(0);
|
||
|
};
|