Google Apps Script create calendar events

Calendar Template.html

<b>英文名：</b> <?= enTitle ?>
<br><b>中文名：</b> <?= zhTitle ?>

calendar.gs

var CALENDAR_ID = 'xxxxxxxxxx@group.calendar.google.com'

/**
 * Create Google Calendar events.
 */
function createCalendarEvents() {
  var holidays = extractHolidays()
  
  var template = HtmlService.createTemplateFromFile('Calendar Template');
  
  holidays.forEach(function (holiday) {
    var title = holiday.zhTitle
    template.zhTitle = holiday.zhTitle
    template.enTitle = holiday.enTitle
    var html = template.evaluate().getContent()
    CalendarApp.getCalendarById(CALENDAR_ID).createAllDayEvent(title, holiday.date, {
      description: html
    })
  })
}

function extractHolidays() {
  var sheet = SpreadsheetApp.getActiveSpreadsheet().getSheetByName('Holidays')
  var values = sheet.getRange(2, 1, sheet.getMaxRows() - 1, 3).getValues()
  var results = []
  for (var row in values) {
    var rowValues = values[row]
    // early termination if empty row is found
    if (rowValues[0] === '' || rowValues[1] === '' || rowValues[2] === '') {
      break
    }
    results.push({
      zhTitle: rowValues[0],
      enTitle: rowValues[1],
      date: rowValues[2],
    })
  }
  return results
}

function listAllCalendars() {
  var calendars = CalendarApp.getAllCalendars();
  calendars.forEach(function (c) {
    Logger.log(c.getName() + " >>> " + c.getId())
  })
}

Holidays.csv