Function joinEmail

src/content-scripts/providerSpecific.js:377–379

* Maps an array of recipients to a string of email addresses * @param {Array} recipients - The recipient objects in the form { email: 'jon@example.com' } * @return {String} comma separated list of email addresses

(recipients)

 * @return {String}   comma separated list of email addresses
 */
function joinEmail(recipients) {
  return recipients.map(r => r.email).join(', ');
}