HackerNode/app.js at master · TerryMooreII/HackerNode · GitHub

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'use strict';

var async       = require('async');
var hnService   = require('./hnService');
var hnDisplay   = require('./hnDisplay');
var uri = 'news';

var go = function(uri){

    async.waterfall([
        function(callback){
            hnDisplay.clearScreen(function(){
                callback();
            });
        },
        function(callback){
            hnService.getHackerNews(uri, function(news){
                callback(null, news);
            });
        },
        function(news, callback){
            hnDisplay.display(news);
            callback(null, news, uri);
        },
        function(news, uri, callback){
            hnDisplay.getInput(news, function(_uri){
                go(_uri || uri);
                callback(null);
            });
        }
    ], function(err){
        if (err)
            console.log('Something when wrong....');
    });
};

go(uri);