Method WriteTo

graphql/schema/response.go:129–141

WriteTo writes the GraphQL response as unindented JSON to w and returns the number of bytes written and error, if any.

(w io.Writer)

// WriteTo writes the GraphQL response as unindented JSON to w
// and returns the number of bytes written and error, if any.
func (r *Response) WriteTo(w io.Writer) (int64, error) {
	js, err := json.Marshal(r.Output())

	if err != nil {
		msg := "Internal error - failed to marshal a valid JSON response"
		glog.Errorf("%+v", errors.Wrap(err, msg))
		js = []byte(fmt.Sprintf(
			`{ "errors": [{"message": "%s"}], "data": null }`, msg))
	}

	i, err := w.Write(js)
	return int64(i), err
}

// Output returns json interface of the response
func (r *Response) Output() interface{} {