Function addUser

example/server.js:11–22

(source, sourceUser)

var nextUserId = 0;

function addUser (source, sourceUser) {
  var user;
  if (arguments.length === 1) { // password-based
    user = sourceUser = source;
    user.id = ++nextUserId;
    return usersById[nextUserId] = user;
  } else { // non-password-based
    user = usersById[++nextUserId] = {id: nextUserId};
    user[source] = sourceUser;
  }
  return user;
}

var usersByVimeoId = {};
var usersByJustintvId = {};