*/

/** Get the domain of the user's email

  @param {!object}
    github enables querying for PR and also create issue using rest endpoint
    username has the login username of the Pull Request Event
  @return {string} Return the domain name of the user's email. Empty string if not found
*/

const get_email_domain = async ({github, username}) => {
  const user = await github.rest.users.getByUsername({
    username
  });

            ? SPACE
            : EMPTY
    ],

    // replace (\ ) with ' '
    [
        /\\\s/g,
        () => SPACE
    ],

    // Escape metacharacters
    // which is written down by users but means special for regular expressions.

    // > There are 12 characters with special meanings:
    // > - the backslash \,
    // > - the caret ^,
    // > - the dollar sign $,
    // > - the period or dot .,