@mildshield14/ical-booker/dist/lib/book.js

A lightweight, modern CalDAV client for Node.js - discover calendars, check availability, and create bookings

import fetch from 'node-fetch';
import { createEvent } from 'ics';
export async function createBooking(creds, // calendarURL = “…/UUID/”
{ start, end, title, attendee }) {
    const icsValue = await new Promise((res, rej) => {
        createEvent({ start: toArr(start), end: toArr(end), title, attendees: attendee ? [{ email: attendee }] : [] }, (err, val) => (err ? rej(err) : res(val)));
    });
    const uid = `${Date.now()}-${Math.random().toString(36).slice(2)}.ics`;
    const url = creds.calendarURL.replace(/\/$/, '/') + uid;
    const ok = await fetch(url, {
        method: 'PUT',
        headers: {
            Authorization: `Basic ${Buffer.from(`${creds.username}:${creds.password}`).toString('base64')}`,
            'Content-Type': 'text/calendar; charset=utf-8',
        },
        body: icsValue,
    }).then(r => r.ok);
    if (!ok)
        throw new Error('PUT failed');
    return { uid, url };
}
// src/lib/book.ts  (replace toArr helper)
function toArr(iso) {
    const d = new Date(iso);
    return [d.getUTCFullYear(), d.getUTCMonth() + 1, d.getUTCDate(), d.getUTCHours(), d.getUTCMinutes()]; // DateTime type
}
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