Files F101416020

confirm.js
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Created: Mon, Feb 10, 05:58

confirm.js
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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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