imsyakiah-ical.js

const { writeFileSync } = require('fs');
const ics = require('ics');

const imsyakiah = {"status":1,"message":"Success","prov":"JAWA BARAT","kabko":"KAB. CIREBON","hijriah":"1445","tahun":"2024","data":{"1":{"tanggal":1,"imsak":"04:26","subuh":"04:36","terbit":"05:48","dhuha":"06:15","dzuhur":"11:59","ashar":"15:05","maghrib":"18:04","isya":"19:12"},"2":{"tanggal":2,"imsak":"04:26","subuh":"04:36","terbit":"05:48","dhuha":"06:15","dzuhur":"11:59","ashar":"15:06","maghrib":"18:03","isya":"19:12"},"3":{"tanggal":3,"imsak":"04:26","subuh":"04:36","terbit":"05:48","dhuha":"06:15","dzuhur":"11:59","ashar":"15:06","maghrib":"18:03","isya":"19:11"},"4":{"tanggal":4,"imsak":"04:26","subuh":"04:36","terbit":"05:47","dhuha":"06:15","dzuhur":"11:58","ashar":"15:06","maghrib":"18:02","isya":"19:11"},"5":{"tanggal":5,"imsak":"04:26","subuh":"04:36","terbit":"05:47","dhuha":"06:15","dzuhur":"11:58","ashar":"15:06","maghrib":"18:02","isya":"19:10"},"6":{"tanggal":6,"imsak":"04:26","subuh":"04:36","terbit":"05:47","dhuha":"06:14","dzuhur":"11:58","ashar":"15:07","maghrib":"18:01","isya":"19:10"},"7":{"tanggal":7,"imsak":"04:26","subuh":"04:36","terbit":"05:47","dhuha":"06:14","dzuhur":"11:58","ashar":"15:07","maghrib":"18:01","isya":"19:09"},"8":{"tanggal":8,"imsak":"04:26","subuh":"04:36","terbit":"05:47","dhuha":"06:14","dzuhur":"11:57","ashar":"15:07","maghrib":"18:00","isya":"19:09"},"9":{"tanggal":9,"imsak":"04:25","subuh":"04:35","terbit":"05:47","dhuha":"06:14","dzuhur":"11:57","ashar":"15:07","maghrib":"18:00","isya":"19:08"},"10":{"tanggal":10,"imsak":"04:25","subuh":"04:35","terbit":"05:47","dhuha":"06:14","dzuhur":"11:57","ashar":"15:08","maghrib":"18:00","isya":"19:08"},"11":{"tanggal":11,"imsak":"04:25","subuh":"04:35","terbit":"05:47","dhuha":"06:14","dzuhur":"11:57","ashar":"15:08","maghrib":"17:59","isya":"19:08"},"12":{"tanggal":12,"imsak":"04:25","subuh":"04:35","terbit":"05:47","dhuha":"06:14","dzuhur":"11:56","ashar":"15:08","maghrib":"17:58","isya":"19:07"},"13":{"tanggal":13,"imsak":"04:25","subuh":"04:35","terbit":"05:47","dhuha":"06:14","dzuhur":"11:56","ashar":"15:08","maghrib":"17:58","isya":"19:06"},"14":{"tanggal":14,"imsak":"04:25","subuh":"04:35","terbit":"05:46","dhuha":"06:14","dzuhur":"11:55","ashar":"15:08","maghrib":"17:57","isya":"19:06"},"15":{"tanggal":15,"imsak":"04:25","subuh":"04:35","terbit":"05:46","dhuha":"06:13","dzuhur":"11:55","ashar":"15:08","maghrib":"17:57","isya":"19:05"},"16":{"tanggal":16,"imsak":"04:25","subuh":"04:35","terbit":"05:46","dhuha":"06:13","dzuhur":"11:55","ashar":"15:08","maghrib":"17:56","isya":"19:05"},"17":{"tanggal":17,"imsak":"04:24","subuh":"04:34","terbit":"05:46","dhuha":"06:13","dzuhur":"11:55","ashar":"15:08","maghrib":"17:56","isya":"19:04"},"18":{"tanggal":18,"imsak":"04:24","subuh":"04:34","terbit":"05:46","dhuha":"06:13","dzuhur":"11:54","ashar":"15:08","maghrib":"17:55","isya":"19:04"},"19":{"tanggal":19,"imsak":"04:24","subuh":"04:34","terbit":"05:46","dhuha":"06:13","dzuhur":"11:54","ashar":"15:08","maghrib":"17:55","isya":"19:04"},"20":{"tanggal":20,"imsak":"04:24","subuh":"04:34","terbit":"05:46","dhuha":"06:13","dzuhur":"11:54","ashar":"15:08","maghrib":"17:55","isya":"19:03"},"21":{"tanggal":21,"imsak":"04:24","subuh":"04:34","terbit":"05:46","dhuha":"06:13","dzuhur":"11:53","ashar":"15:08","maghrib":"17:54","isya":"19:03"},"22":{"tanggal":22,"imsak":"04:24","subuh":"04:34","terbit":"05:45","dhuha":"06:13","dzuhur":"11:53","ashar":"15:08","maghrib":"17:54","isya":"19:02"},"23":{"tanggal":23,"imsak":"04:24","subuh":"04:34","terbit":"05:45","dhuha":"06:13","dzuhur":"11:53","ashar":"15:08","maghrib":"17:53","isya":"19:02"},"24":{"tanggal":24,"imsak":"04:23","subuh":"04:33","terbit":"05:45","dhuha":"06:13","dzuhur":"11:52","ashar":"15:08","maghrib":"17:53","isya":"19:01"},"25":{"tanggal":25,"imsak":"04:23","subuh":"04:33","terbit":"05:45","dhuha":"06:12","dzuhur":"11:52","ashar":"15:08","maghrib":"17:52","isya":"19:01"},"26":{"tanggal":26,"imsak":"04:23","subuh":"04:33","terbit":"05:45","dhuha":"06:12","dzuhur":"11:52","ashar":"15:08","maghrib":"17:52","isya":"19:01"},"27":{"tanggal":27,"imsak":"04:23","subuh":"04:33","terbit":"05:45","dhuha":"06:12","dzuhur":"11:52","ashar":"15:08","maghrib":"17:51","isya":"19:00"},"28":{"tanggal":28,"imsak":"04:23","subuh":"04:33","terbit":"05:45","dhuha":"06:12","dzuhur":"11:51","ashar":"15:08","maghrib":"17:51","isya":"19:00"},"29":{"tanggal":29,"imsak":"04:23","subuh":"04:33","terbit":"05:45","dhuha":"06:12","dzuhur":"11:51","ashar":"15:08","maghrib":"17:50","isya":"18:59"}}};
const hijriah = imsyakiah.hijriah;
const tahun = imsyakiah.tahun;
const kabko = imsyakiah.kabko;
const prov = imsyakiah.prov;
const ramadhan1 = new Date('March 12, 2024');

String.prototype.toTitleCase = function() {
    return this.toLowerCase().replace(/\b\w/g, s => s.toUpperCase());
};

let events = [];

for (const i in imsyakiah.data) {
  const data = imsyakiah.data[i];
  const day = data.tanggal;
  const date = new Date(ramadhan1);
  date.setDate(ramadhan1.getDate() + (day - 1));

  const YYYY = date.getFullYear();
  const MM = date.getMonth() + 1; // starts from 0
  const DD = date.getDate();

  for (const key in data) {
    if (key == 'tanggal' || key == 'dhuha' || key == 'terbit') continue;
    const pray = key.toTitleCase();
    const time = data[key].split(':');
    const prayTimeH = parseInt(time[0]);
    const prayTimeM = parseInt(time[1]);

    switch (key) {
      case 'maghrib':
        busyStatus = 'BUSY';
        break;
      default:
        busyStatus = 'OOF';
        break;
    }

    const loc = `${kabko}, ${prov}`.toTitleCase();
    const cat = `Imsyakiah Ramadhan ${hijriah} H/${tahun} M (${loc})`;
    const dur = (key == 'maghrib' ? 45 : 0); // soale madhang

    const event = {
      productId: `imsyakiah-ramadhan-${hijriah}h`,
      alarms: [{
        action: 'display',
        description: 'Reminder',
        trigger: { minutes: 10, before: true },
      }],
      busyStatus: busyStatus,
      calName: cat,
      categories: [cat],
      classification: 'PRIVATE',
      duration: { minutes: dur },
      location: loc,
      start: [YYYY, MM, DD, prayTimeH, prayTimeM],
      status: 'CONFIRMED',
      title: pray,
      transp: 'TRANSPARENT',
    }

    events.push(event);
  }
}

try {
  const output = `${__dirname}/imsyakiah.ics`;

  ics.createEvents(events, (e, v) => {
    if (e) throw new Error(e);
    writeFileSync(output, v);
    console.log('Saved to ' + output);
  })
} catch(e) {
  console.error(e);
}

Deps

npm i -S ics

Set up

The imsyakiah constant is returned from https://bimasislam.kemenag.go.id/jadwalimsakiyah.