constructor()

in src/experimental/patterns/sns-lambda.ts [68:90]

• 18 lines of code
• 3 McCabe index (conditional complexity)

  constructor(scope: GuStack, id: string, props: GuSnsLambdaProps) {
    super(scope, id, {
      ...props,
      errorPercentageMonitoring: props.monitoringConfiguration.noMonitoring ? undefined : props.monitoringConfiguration,
    });

    const { account, region } = scope;
    const { existingSnsTopic } = props;

    this.snsTopic = existingSnsTopic
      ? Topic.fromTopicArn(
          scope,
          `${id}-SnsExistingIncomingEventsTopic`,
          `arn:aws:sns:${region}:${account}:${existingSnsTopic.externalTopicName}`,
        )
      : AppIdentity.taggedConstruct(props, new Topic(scope, "SnsIncomingEventsTopic"));

    // If we have an alias, use this to ensure that all events are sent to a published Lambda version.
    // Otherwise, send all events to the latest unpublished version ($LATEST)
    const eventSourceTarget = this.alias ?? this;
    eventSourceTarget.addEventSource(new SnsEventSource(this.snsTopic));
    new CfnOutput(this, "TopicName", { value: this.snsTopic.topicName });
  }