Method marshalTo

runtime/marshal_jsonpb.go:40–65

(w io.Writer, v interface{})

}

func (j *JSONPb) marshalTo(w io.Writer, v interface{}) error {
	p, ok := v.(proto.Message)
	if !ok {
		buf, err := j.marshalNonProtoField(v)
		if err != nil {
			return err
		}
		if j.Indent != "" {
			b := &bytes.Buffer{}
			if err := json.Indent(b, buf, "", j.Indent); err != nil {
				return err
			}
			buf = b.Bytes()
		}
		_, err = w.Write(buf)
		return err
	}

	b, err := j.MarshalOptions.Marshal(p)
	if err != nil {
		return err
	}

	_, err = w.Write(b)
	return err
}

var (
	// protoMessageType is stored to prevent constant lookup of the same type at runtime.