A script to generate an ics file for AX2022

calendar.js

const allEvents = $$('.event');


function sanitizeTime(timeString) {
	return timeString.split(/([0-9:]*)(AM|PM)/)
		.filter(e => !!e)
		.join(" ")
}

const events = allEvents.map((event) => {
	try {
		return {
			date: event.querySelector(".date").textContent,
			title: event.querySelector(".title").textContent,
			startTime: sanitizeTime(event.querySelector(".timebar .start span").textContent),
			endTime: sanitizeTime(event.querySelector(".timebar .end span").textContent),
			location: event.querySelector(".timebar .channel span").textContent,
			description: event.querySelector(".desc").textContent,
		};
	} catch (e) {
		console.log("error ", e);
	}
})

function calendarTimeFormat(date) {
	const year = Intl.DateTimeFormat('en', { year: 'numeric', timeZone: 'utc' }).format(date);
	const month = Intl.DateTimeFormat('en', { month: '2-digit', timeZone: 'utc' }).format(date);
	const day = Intl.DateTimeFormat('en', { day: '2-digit', timeZone: 'utc' }).format(date);
	const hour = Intl.DateTimeFormat('en', { hour: '2-digit', timeZone: 'utc', hour12: false }).format(date).split(' ')[0];
	const minute = Intl.DateTimeFormat('en', { minute: '2-digit', timeZone: 'utc' }).format(date).split(' ')[0];
	return year + month + day + "T" + hour + minute + "00Z";
}

function calendarBlockFormat(event) {
	// Date.parse("July 4, 2021 3:30 AM")
	const startTime = Date.parse(`${event.date} ${event.startTime}`)
	const endTime = Date.parse(`${event.date} ${event.endTime}`)
	console.log(event);
	console.log(startTime);
	console.log(endTime);
	return `BEGIN:VEVENT
DTSTART:${calendarTimeFormat(startTime)}
DTEND:${calendarTimeFormat(endTime)}
DTSTAMP:20220629T031830Z
DESCRIPTION:${event.description}
LAST-MODIFIED:20220629T031748Z
LOCATION:${event.location}
SUMMARY:${event.title}
END:VEVENT
`
}

const vevents = events.reduce((acc, event) => {
	return acc + calendarBlockFormat(event);
}, '');

const CAL_HEADER = `
BEGIN:VCALENDAR
PRODID:-//Google Inc//Google Calendar 70.9054//EN
VERSION:2.0
CALSCALE:GREGORIAN
METHOD:PUBLISH
X-WR-CALNAME:Anime Expo 2022 Schedule
X-WR-TIMEZONE:America/Los_Angeles
X-WR-CALDESC:Generated
`

const CAL_FOOTER = `
END:VCALENDAR
`

CAL_HEADER + vevents + CAL_FOOTER;

I couldn't find a calendar file and wanted to plan my trip.

Steps:

• go to https://www.anime-expo.org/ax-schedule-2022/
• open the console
• paste this script
• copy the final result into an ics file
• import into a google calendar