gotta-go-fast/util/query.js

Cross-platform shell shortcuts

"use strict";

const readline = require("readline");

let rl = readline.createInterface({
	input: process.stdin,
	output: process.stdout
});
rl.pause();

function start() {
	rl.resume();
}

function stop() {
	rl.pause();
}

function prompt(text, fallback) {
	if (fallback == null) {
		fallback = "";
	}

	if (!rl) {
		start();
	}

	let fallbackText = fallback ? ` (${fallback})` : "";

	return new Promise((resolve, reject) => {
		rl.question(`${text}${fallbackText}: `, v => {
			stop();
			resolve(v || fallback);
		});
	});
}

module.exports = {start, stop, prompt};