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