export function ResolveResponseType()

in powershell/llcsharp/operation/method.ts [361:385]

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

export function ResolveResponseType(opMethod?: OperationMethod, operation?: Operation, state?: State,): EnhancedTypeDeclaration | undefined {
  let typeCount = 0;
  let responseType: EnhancedTypeDeclaration | undefined = undefined;
  if (opMethod) {
    opMethod.callbacks.filter(each => each.name !== 'onDefault').forEach(each => {
      if (each.responseType && responseType && each.responseType !== responseType) {
        typeCount++;
      } else if (each.responseType && !responseType) {
        responseType = each.responseType;
        typeCount = 1;
      }
    });
  } else if (operation && state) {
    for (const response of [...values(operation.responses), ...values(operation.exceptions)].filter(each => each.language?.csharp?.name !== 'onDefault')) {
      const eachResponseType = (<BinaryResponse>response).binary ? new Binary(new BinarySchema(''), true) : ((<SchemaResponse>response).schema ? state.project.modelsNamespace.NewResolveTypeDeclaration(<NewSchema>((<SchemaResponse>response).schema), true, state) : undefined);
      if (eachResponseType && responseType && eachResponseType !== responseType) {
        typeCount++;
      } else if (eachResponseType && !responseType) {
        responseType = eachResponseType;
        typeCount = 1;
      }
    }
  }
  return typeCount === 1 ? responseType : undefined;
}