ElyAuthException class

Exception thrown during Ely.by authentication operations

Contains specific error codes and messages to help diagnose authentication issues.

Common error codes:

• invalid_client - Invalid client ID or secret
• invalid_grant - Invalid authorization code or refresh token
• access_denied - User denied access during OAuth flow
• BrowserLaunchFailed - Cannot open browser for authentication
• AuthTimeout - User didn't complete authentication within timeout
• StateMismatch - OAuth state parameter validation failed
• TwoFactorRequired - Account requires two-factor authentication

Example:

try {
  final result = await ElyAuth.authenticateWithOAuth(config);
} catch (e) {
  if (e is ElyAuthException) {
    switch (e.error) {
      case 'access_denied':
        print('User cancelled authentication');
        break;
      case 'invalid_client':
        print('Check your client ID and secret');
        break;
      default:
        print('Authentication error: ${e.errorMessage}');
    }
  }
}