constructor()

in source/patterns/@aws-solutions-constructs/aws-route53-apigateway/lib/index.ts [87:142]
45 lines of code
10 McCabe index (conditional complexity)

  constructor(scope: Construct, id: string, props: Route53ToApiGatewayProps) {
    super(scope, id);
    defaults.CheckProps(props);

    this.certificate = props.existingCertificateInterface;

    if (props.existingVpc) {
      this.vpc = props.existingVpc;
    }

    // Existing Public or Private Hosted Zone
    if (props.existingHostedZoneInterface) {
      this.hostedZone = props.existingHostedZoneInterface;

      if (props.existingVpc) {
        throw new Error('Cannot provide an existing VPC to an existing Private Hosted Zone.');
      }
      if (props.privateHostedZoneProps) {
        throw new Error('Must provide either existingHostedZoneInterface or privateHostedZoneProps, but not both.');
      }
    } else { // Creating a Private Hosted Zone
      if (props.publicApi) {
        throw new Error('Public APIs require an existingHostedZone be passed in the Props object.');
      } else {
        if (!props.privateHostedZoneProps) {
          throw new Error('Must provide either existingHostedZoneInterface or privateHostedZoneProps.');
        }
        if (props.privateHostedZoneProps.vpc) {
          throw new Error('All VPC specs must be provided at the Construct level in Route53ToApiGatewayProps.');
        }
        if (!props.privateHostedZoneProps.zoneName) {
          throw new Error('Must supply zoneName for Private Hosted Zone Props.');
        }
        if ( !this.vpc ) {
          throw new Error('Must specify an existingVPC for the Private Hosted Zone in the construct props.');
        }
        const manufacturedProps: route53.PrivateHostedZoneProps = defaults.overrideProps(props.privateHostedZoneProps, { vpc: this.vpc });
        this.hostedZone = new route53.PrivateHostedZone(this, `${id}-zone`, manufacturedProps);
      }
    }

    // Convert IRestApi to RestApi
    this.apiGateway = props.existingApiGatewayInterface as api.RestApi;

    // Add custom domain name in API Gateway
    this.apiGateway.addDomainName('CustomDomainName', {
      domainName: this.hostedZone.zoneName,
      certificate: this.certificate
    });

    // Create A Record in custom domain to route traffic to API Gateway
    new route53.ARecord(this, 'CustomDomainAliasRecord', {
      zone: this.hostedZone,
      target: route53.RecordTarget.fromAlias(new targets.ApiGateway(this.apiGateway))
    });
  }