Generate google calendar event link

getGoogleCalendar.js

/**
 * Encode URL params
 * Credit: https://stackoverflow.com/a/12040639
 * @param { Object } data Javascript object
 * @return { String } Encoded URL Parameter
 */
function encodeQueryData(data) {
  return encodeURI(Object.keys(data).map((key) => [key, data[key]].map(encodeURIComponent).join('=')).join('&'));
}

/**
 * Convert Date object into YYYYMMDDTHHmmSSZ date format.
 * @param { Date } date a Date object
 * @return { String } time in YYYYMMDDTHHmmSSZ date format
 */
function formatTime(date) {
  return date.toISOString().replace(/-|:|\.\d+/g, '');
}

function getEndTime(event) {
  return event.end
    ? formatTime(event.end)
    : formatTime(new Date(event.start.getTime() + (event.duration * 60 * 1000)));
}

export function getGoogleCalendar(event) {
  const queries = {
    action: 'TEMPLATE',
    dates: [formatTime(event.start), formatTime(getEndTime(event))].join('/'),

  };
  if (event.title) queries.text = event.title;
  if (event.description) queries.details = event.description;
  if (event.guests) queries.add = event.guests.join(',');
  return ['http://www.google.com/calendar/event', encodeQueryData(queries)].join('?');
}

export default getGoogleCalendar;