function authStateObserver()

in web-start/src/index.js [144:176]

• 19 lines of code
• 2 McCabe index (conditional complexity)

function authStateObserver(user) {
  if (user) {
    // User is signed in!
    // Get the signed-in user's profile pic and name.
    var profilePicUrl = getProfilePicUrl();
    var userName = getUserName();

    // Set the user's profile pic and name.
    userPicElement.style.backgroundImage =
      'url(' + addSizeToGoogleProfilePic(profilePicUrl) + ')';
    userNameElement.textContent = userName;

    // Show user's profile and sign-out button.
    userNameElement.removeAttribute('hidden');
    userPicElement.removeAttribute('hidden');
    signOutButtonElement.removeAttribute('hidden');

    // Hide sign-in button.
    signInButtonElement.setAttribute('hidden', 'true');

    // We save the Firebase Messaging Device token and enable notifications.
    saveMessagingDeviceToken();
  } else {
    // User is signed out!
    // Hide user's profile and sign-out button.
    userNameElement.setAttribute('hidden', 'true');
    userPicElement.setAttribute('hidden', 'true');
    signOutButtonElement.setAttribute('hidden', 'true');

    // Show sign-in button.
    signInButtonElement.removeAttribute('hidden');
  }
}