Query/Mutation merging

[simplecommerce]

Hi, I was wondering if you had anything that allows merging of Queries/Mutations, the same as mergeTypeDefs but for client-side queries?

In my specific case, I have a query that is defined in my core project, which I can't change.
And I want to add specific custom fields that I added/extended on the server, but on the client-side in order to select them.
And I was hoping there would be a solution without me having to redefine the Queries/Mutations every time I add new fields on the client-side.

Any help is appreciated.