Nintendo Switch 在庫チェック

var cronjob = require('cron').CronJob;
var cli = require('cheerio-httpcli');
var url = 'https://store.nintendo.co.jp/category/NINTENDOSWITCH/HAC_S_KAYAA.html';
var esc = require('ansi-escapes');
var colors = require('colors');
var sleep = require('sleep-promise');

process.stdout.write(esc.clearScreen);
console.log(' Ready '.bgGreen);

checkPage();
new cronjob('0 * * * * *', function() {
    checkPage();
}, null, true);

function checkPage() {
    process.stdout.write(esc.cursorUp()+esc.eraseLine);
    console.log(' Check Start '.bgBlue);
    cli.fetch(url, function(err, $, res) {
        if($('button.to_cart span').text() != 'SOLD OUT') {
            process.stdout.write(esc.cursorUp()+esc.eraseLine);
            var date = new Date();
            console.log(date+' Reservable');
        } else {
            process.stdout.write(esc.cursorUp()+esc.eraseLine);
        }
        console.log(' Check End '.bgYellow);
        sleep(1000).then(function() {
            process.stdout.write(esc.cursorUp()+esc.eraseLine);
            console.log(' Ready '.bgGreen);
        });
    });
}