checks for appointments on the vax4nyc.nyc.gov "schedule an appointment screen"

vax-checker.js

// based on this awesome script
// https://gist.github.com/saranrapjs/f8700e33332ae4a13a931e761fc262a7

(function check() {
	// they have hijacked document.querySelector/getElementById/etc but not document.all
  Array.from(document.all).filter(el => el.nodeName.toLowerCase() === 'lightning-button-icon')[0].click();
  setTimeout(() => {
	  Array.from(document.all).filter(el => el.name === 'today')[0].click();	
		setTimeout(() => {
      const txt = Array.from(document.all).filter(el => el.className === 'appointment-section')[0].textContent;
			
      // ignore these appointments
      const none = /check back/.test(txt) ||
        /Bronx/.test(txt) || 
        /Beach Channel/.test(txt) ||
        /Staten Island/.test(txt);

			if (none && !window.stoppy) {
        // check again
        setTimeout(check, 1000);
      } else {
        // print the appointments to the console
        console.log(txt);
        // select the first slot
        Array.from(document.all).filter(el => el.tagName === 'LIGHTNING-FORMATTED-TIME')[0].click()
        // immediately click the next button
        Array.from(document.all).filter(el => el.className === 'slds-button slds-button_brand')[0].click();
      }
		}, 500)
	})
})()