protected constructor()

in common/lib/aws_client.ts [52:115]
57 lines of code
10 McCabe index (conditional complexity)

  protected constructor(
    config: any,
    dbType: DatabaseType,
    knownDialectsByCode: Map<string, DatabaseDialect>,
    parser: ConnectionUrlParser,
    driverDialect: DriverDialect
  ) {
    super();
    this.config = config;
    this._connectionUrlParser = parser;

    this.properties = new Map<string, any>(Object.entries(config));

    const profileName = WrapperProperties.PROFILE_NAME.get(this.properties);
    if (profileName && profileName.length > 0) {
      this._configurationProfile = DriverConfigurationProfiles.getProfileConfiguration(profileName);
      if (this._configurationProfile) {
        const profileProperties = this._configurationProfile.getProperties();
        if (profileProperties) {
          for (const key of profileProperties.keys()) {
            if (this.properties.has(key)) {
              // Setting defined by a user has priority over property in configuration profile.
              continue;
            }
            this.properties.set(key, profileProperties.get(key));
          }

          const connectionProvider = WrapperProperties.CONNECTION_PROVIDER.get(this.properties);
          if (!connectionProvider) {
            WrapperProperties.CONNECTION_PROVIDER.set(this.properties, this._configurationProfile.getAwsCredentialProvider());
          }

          const customAwsCredentialProvider = WrapperProperties.CUSTOM_AWS_CREDENTIAL_PROVIDER_HANDLER.get(this.properties);
          if (!customAwsCredentialProvider) {
            WrapperProperties.CUSTOM_AWS_CREDENTIAL_PROVIDER_HANDLER.set(this.properties, this._configurationProfile.getAwsCredentialProvider());
          }

          const customDatabaseDialect = WrapperProperties.CUSTOM_DATABASE_DIALECT.get(this.properties);
          if (!customDatabaseDialect) {
            WrapperProperties.CUSTOM_DATABASE_DIALECT.set(this.properties, this._configurationProfile.getDatabaseDialect());
          }
        }
      } else {
        throw new AwsWrapperError(Messages.get("AwsClient.configurationProfileNotFound", profileName));
      }
    }

    this.telemetryFactory = new DefaultTelemetryFactory(this.properties);
    const container = new PluginServiceManagerContainer();
    this.pluginService = new PluginService(
      container,
      this,
      dbType,
      knownDialectsByCode,
      this.properties,
      this._configurationProfile?.getDriverDialect() ?? driverDialect
    );
    this.pluginManager = new PluginManager(
      container,
      this.properties,
      new ConnectionProviderManager(new DriverConnectionProvider(), WrapperProperties.CONNECTION_PROVIDER.get(this.properties)),
      this.telemetryFactory
    );
  }