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- "use strict";
- const color = require('kleur');
- const Prompt = require('./prompt');
- const _require = require('../util'),
- style = _require.style,
- clear = _require.clear;
- const _require2 = require('sisteransi'),
- erase = _require2.erase,
- cursor = _require2.cursor;
- /**
- * ConfirmPrompt Base Element
- * @param {Object} opts Options
- * @param {String} opts.message Message
- * @param {Boolean} [opts.initial] Default value (true/false)
- * @param {Stream} [opts.stdin] The Readable stream to listen to
- * @param {Stream} [opts.stdout] The Writable stream to write readline data to
- * @param {String} [opts.yes] The "Yes" label
- * @param {String} [opts.yesOption] The "Yes" option when choosing between yes/no
- * @param {String} [opts.no] The "No" label
- * @param {String} [opts.noOption] The "No" option when choosing between yes/no
- */
- class ConfirmPrompt extends Prompt {
- constructor(opts = {}) {
- super(opts);
- this.msg = opts.message;
- this.value = opts.initial;
- this.initialValue = !!opts.initial;
- this.yesMsg = opts.yes || 'yes';
- this.yesOption = opts.yesOption || '(Y/n)';
- this.noMsg = opts.no || 'no';
- this.noOption = opts.noOption || '(y/N)';
- this.render();
- }
- reset() {
- this.value = this.initialValue;
- this.fire();
- this.render();
- }
- exit() {
- this.abort();
- }
- abort() {
- this.done = this.aborted = true;
- this.fire();
- this.render();
- this.out.write('\n');
- this.close();
- }
- submit() {
- this.value = this.value || false;
- this.done = true;
- this.aborted = false;
- this.fire();
- this.render();
- this.out.write('\n');
- this.close();
- }
- _(c, key) {
- if (c.toLowerCase() === 'y') {
- this.value = true;
- return this.submit();
- }
- if (c.toLowerCase() === 'n') {
- this.value = false;
- return this.submit();
- }
- return this.bell();
- }
- render() {
- if (this.closed) return;
- if (this.firstRender) this.out.write(cursor.hide);else this.out.write(clear(this.outputText, this.out.columns));
- super.render();
- this.outputText = [style.symbol(this.done, this.aborted), color.bold(this.msg), style.delimiter(this.done), this.done ? this.value ? this.yesMsg : this.noMsg : color.gray(this.initialValue ? this.yesOption : this.noOption)].join(' ');
- this.out.write(erase.line + cursor.to(0) + this.outputText);
- }
- }
- module.exports = ConfirmPrompt;
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