How to modify response data

[tonxxd]

I am trying to use the new v4 method to alter response before sending it out to the client but i am struggling to understand where is the response data in the context variable.
I am trying to parse ever
I am trying to do

async willSendResponse({ response }) {
 if (response.body.kind === "single" && "data" in response.body.singleResult  ) 
    console.log(response.body.singleResult.data)
}

But response.body.singleResult.data does not contain the raw response data

Any ideas?

[tonxxd]

I managed to solve by checking that response.body.singleResult.data contains other keys in addition to __schema.
Only at that point the willSendResponse response contains the final response.

if (Object.keys(omit(response.body.singleResult.data, "__schema")).length > 0){
  console.log(omit(response.body.singleResult.data, "__schema"))
  // {"entities": [{"id":1}, ...]}
}

[glasser]

I'm not sure I understand what you're trying to do and what you're seeing. It looks like you're trying to differentiate between introspection and non-introspection queries, based on your own answer?

[tonxxd]

I am trying to alter the response of the graphql api on the fly to automatically parse nested stringified json.
My data looks like

Entitty {
  .. fields
  config: '{"field":"value","field2":"{\\"nested_stringifiedfield\\":3}"}'    // stringified json with nested stringified json
}

So i have to recursively explore the returned records to parse the deep nested data

[glasser]

OK, I'm not sure exactly why you weren't seeing anything under data then but sounds like you resolved your issue!

The transformations you are making will probably make your responses not standard GraphQL which will probably break some helpful tooling.