troopclient/lib/ask.js

Client component for troop style backend svc

var readline = require("readline");
var when = require("when");
var sequence = require("when/sequence");
var rl = readline.createInterface({
	input: process.stdin, 
	output: process.stdout
});

function ask(qustions) {
	var deferred = when.defer();
	var tasks = [];

	qustions.forEach(function (item) {
		tasks.push(function () {
			var d = when.defer();
			rl.question(item, function (answer) {
				d.resolve(answer);
			})
			return d.promise;
		});
	});

	sequence(tasks).then(function (arrValue) {
		deferred.resolve(arrValue);
	});

	return deferred.promise;
}

exports = module.exports = ask;