Sha256: b1c3229d6a114b42d487cde3922559ad89bc1473f09f289e3bb6698ef0773836
Contents?: true
Size: 1.74 KB
Versions: 46
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Stored size: 1.74 KB
Contents
'use strict';
/**
* `confirm` type prompt
*/
var _ = require('lodash');
var chalk = require('chalk');
var Base = require('./base');
var observe = require('../utils/events');
class ConfirmPrompt extends Base {
constructor(questions, rl, answers) {
super(questions, rl, answers);
var rawDefault = true;
_.extend(this.opt, {
filter: function(input) {
var value = rawDefault;
if (input != null && input !== '') {
value = /^y(es)?/i.test(input);
}
return value;
}
});
if (_.isBoolean(this.opt.default)) {
rawDefault = this.opt.default;
}
this.opt.default = rawDefault ? 'Y/n' : 'y/N';
return this;
}
/**
* Start the Inquiry session
* @param {Function} cb Callback when prompt is done
* @return {this}
*/
_run(cb) {
this.done = cb;
// Once user confirm (enter key)
var events = observe(this.rl);
events.keypress.takeUntil(events.line).forEach(this.onKeypress.bind(this));
events.line.take(1).forEach(this.onEnd.bind(this));
// Init
this.render();
return this;
}
/**
* Render the prompt to screen
* @return {ConfirmPrompt} self
*/
render(answer) {
var message = this.getQuestion();
if (typeof answer === 'boolean') {
message += chalk.cyan(answer ? 'Yes' : 'No');
} else {
message += this.rl.line;
}
this.screen.render(message);
return this;
}
/**
* When user press `enter` key
*/
onEnd(input) {
this.status = 'answered';
var output = this.opt.filter(input);
this.render(output);
this.screen.done();
this.done(output);
}
/**
* When user press a key
*/
onKeypress() {
this.render();
}
}
module.exports = ConfirmPrompt;
Version data entries
46 entries across 46 versions & 3 rubygems