Happy to help! In typesense-js, you want to use this parameter called

useServerSideSearchCache

when instantiating it, which will take care of sending the use_cache param as a URL query parameter https://github.com/typesense/typesense-js/blob/a24e53afd4c8d4b032c2aaad0fe9fff073c14b3f/src/Typesense/Configuration.ts#L199