code: function LogUserIn(THS, req) {
  									return new Promise((resolve, reject) => {
  										THS.Passer.authenticate('local-login', (err, user, info) => {
  											let error = err || info;
  											switch (true) {
  												case !!error: reject([MSG.ERROR, error, null]);
  												case !!!user: reject([MSG.EXISTS,   {}, acct]);
  												default: resolve(user);
  											};
  										})(req);
  									});
  								}
docs: ----------------------------------------------------------