headless chrome (puppeteer) script for arming Alarm.com panel

alarm_start.js

const puppeteer = require('puppeteer');

var config;
config = {
  username: 'username',
  password: 'password'
};

(async () => {
  const browser = await puppeteer.launch({
    headless: true, 
    args: [
    '--remote-debugging-port=9222'
  ]})
  const page = await browser.newPage()
  console.log('opening page...');
  await page.goto('https://www.alarm.com/login.aspx')
  await page.type('input[name="ctl00$ContentPlaceHolder1$loginform$txtUserName"]', config.username)
  await page.type('input[name="txtPassword"]', config.password)  
  await page.click('input[name="ctl00$ContentPlaceHolder1$loginform$signInButton"]')
  console.log('filled form and clicked login');
  
  await page.waitForNavigation()

  console.log("Signed in and ready to change arm state");

  await page.waitFor(10000)
  
  await page.click('.disarmed.icon-circle')
  console.log("Clicked Panel");

  await page.waitFor(10000)

  console.log("Clicking silent arming checkbox");

  page.evaluate(function() {document.querySelectorAll('.disarmed [role="checkbox"] .binary-element')[1].click()})
  
  await page.click('.disarmed .armed-stay')

  console.log("Arming....");
  await page.waitForFunction("document.querySelector('.card-info.armed-stay h4 span').textContent == 'Armed Stay'")
  console.log("Alarm is now armed for stay.")
  
  browser.close()
})()