Twitter followers command line using PhantomJS

twitter_followers_phantomJS.js

var	usernames = [],
	results = {},
	page = require('webpage').create(),
	system = require('system');

function init(){
	if (system.args.length === 1) {
		console.log('Pass one or more twitter usernames as arguments');
	} else {
		system.args.forEach(function (arg, i) {
			if(i!==0) usernames.push(arg);
		});
		next();
	}
}

function open_twitter_with_user(user){
	page.open('https://twitter.com/' + user, function (status) {
		if (status === 'success') {
			setTimeout(function(){
				var followers = page.evaluate(function () {
					return document.querySelectorAll("[data-element-term='follower_stats'] strong")[0].innerText;
				});
				results[user] = followers;
				next();
			},200);
		}else{
			console.log("something went wrong");
			next();
		}	
	});
}

function next(){
	if(usernames.length > 0){
		open_twitter_with_user(usernames[0]);
		usernames.shift();
	}else{
		final_result();
		page.close();
		phantom.exit();
	}
}

function final_result(){
	console.log(JSON.stringify(results));
}

init();