Using with GraphQl (resolver)

[renehauck]

First of all many thanks for this great package 👍 Now I have a problem using this package with grapqhl (resolver).
I always get the following output when a graphql error occurs:

{
  "errors": [
    {
      "message": "Cannot read property 'raw' of undefined",
      "locations": [
        {
          "line": 2,
          "column": 3
        }
      ],
      "path": [
        "ArticleListAll"
      ],
      "extensions": {
        "code": "INTERNAL_SERVER_ERROR",
        "exception": {
          "stacktrace": [
            "TypeError: Cannot read property 'raw' of undefined",
            "    at RenderFilter.<anonymous> (/home/rene/Projects/SmashoBase/nest/smasho-base/node_modules/nest-next/dist/render.filter.js:36:33)",
            "    at Generator.next (<anonymous>)",
            "    at /home/rene/Projects/SmashoBase/nest/smasho-base/node_modules/nest-next/dist/render.filter.js:16:71",
            "    at new Promise (<anonymous>)",
            "    at __awaiter (/home/rene/Projects/SmashoBase/nest/smasho-base/node_modules/nest-next/dist/render.filter.js:12:12)",
            "    at RenderFilter.catch (/home/rene/Projects/SmashoBase/nest/smasho-base/node_modules/nest-next/dist/render.filter.js:28:16)",
            "    at ExternalExceptionsHandler.invokeCustomFilters (/home/rene/Projects/SmashoBase/nest/smasho-base/node_modules/@nestjs/core/exceptions/external-exceptions-handler.js:33:32)",
            "    at ExternalExceptionsHandler.next (/home/rene/Projects/SmashoBase/nest/smasho-base/node_modules/@nestjs/core/exceptions/external-exceptions-handler.js:12:29)",
            "    at /home/rene/Projects/SmashoBase/nest/smasho-base/node_modules/@nestjs/core/helpers/external-proxy.js:12:42",
            "    at process._tickCallback (internal/process/next_tick.js:68:7)"
          ]
        }
      }
    }
  ],
  "data": {
    "ArticleListAll": null
  }
}

Also "setErrorHandler" is not triggered. A normal controller triggers it.

Thanks for your help

[kyle-mccarthy]

This is pretty interesting... I get the request and response from nest by calling ctx.getArgs() but this is saying that your request is undefined (which I didn't know is possible).

Would you provide me with a minimal reproducible example?

[renehauck]

Of course... Here is the example:

https://github.com/renehauck/nest-next-render-error

Just start, open the page "http://localhost:3000/graphql" and execute the query

{
  Hello
}

Normally the error "Ups" should appear, but instead the error "Cannot read property 'raw' of undefined" is thrown again.

[kyle-mccarthy]

Thank you for that example, it was extremely helpful. I just released v0.6.1 with a fix for your bug. Let me know if you have any other issues!

[renehauck]

ok, the ".raw"-error is gone, but now I don't get any more errors which are thrown in the resolvers. 😃

   if (response && request) {
      const requestHandler = this.service.getRequestHandler();
      const errorRenderer = this.service.getErrorRenderer();
       ....
       return errorRenderer(err, req, res, pathname, query);
      }
    }
    else throw err;
   ^^^^^^^^^^^^^^^^

I think there's an "else throw err;" missing at the end, right? 😊

[kyle-mccarthy]

Yes, you are correct! I pushed v0.6.3 with this, sorry for prematurely closing the issue.