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