"The Flash (CW)" Episode Scraper using NodeJS

theflash.js

/*
 "dependencies": {
    "chalk": "^1.1.3",
    "cheerio": "^0.22.0",
    "moment": "^2.16.0",
    "superagent": "^2.3.0"
  }
  Usage:
  node theflash [session]            where session is optional, latest if not specified
*/
var request=require('superagent');
var cheerio=require('cheerio');
var chalk=require('chalk');
var moment=require('moment');

var option=parseInt(process.argv[2]==undefined?"0":process.argv[2]);
if(option<0){
	option=0;
	console.log("Wrong Session, taking latest session as input.");
}

process.stdout.write("Checking....(Please Wait)");
request
.get('https://en.wikipedia.org/wiki/List_of_The_Flash_episodes')
.timeout(30000)
.on('error', function(){
	process.stdout.write("\r\x1b[K");
	process.stdout.write("Server is not responding, try again later.");
})
.end(function(err, res){
	process.stdout.write("\r\x1b[K");
	if(!res){
		console.log(chalk.red("Network Error"));
		return;
	}
	var $ = cheerio.load(res.text);
	var sessions=$(".wikiepisodetable");
	if(option>sessions.length || option<1){
		option=sessions.length;
		console.log("Wrong Session, taking latest session as input.");
	}
	var episodes=$(sessions[option-1]).find(".vevent");
	var latest=null;
	episodes.each(function(){//each episodes
		var info=$(this).find("td");
		var title=$(info[1]).text();
		var dt=moment($(info[4]).find(".dtstart").text());
		if($(info[5]).find("span").text()!="TBA"){
			console.log(chalk.cyan(title.substr(1,title.indexOf('"',1)-1))+" -",dt.format("dddd Do MMMM YYYY"));
		}else if(!latest){
			latest={title:title.substr(1,title.indexOf('"',1)-1),date:dt.format("dddd Do MMMM YYYY")};
		}
	});
	if(latest){
		console.log(chalk.green(latest.title)+" -",chalk.yellow(latest.date));
	}
});