I am currently replacing the gapi.oauth2 package, by using the TokenClient according to the guide and everything works fine.

global.google.accounts.oauth2
        .initTokenClient({
            client_id: CONFIG.google.clientId,
            scope: 'https://www.googleapis.com/auth/drive.readonly',
            ux_mode: 'popup',
            callback(tokenResponse) {
                if (tokenResponse && !tokenResponse.error) {
                    onSuccess(tokenResponse.access_token);

                    return;
                }

                onError(tokenResponse.error || 'google authentication failed');
            },
        })
        .requestAccessToken({});

The only issue is that we are not using the gapi.client and would prefer avoiding loading that package as we are only using the token to show a picker by using google.picker.PickerBuilder. Now after the initialization the GSI package tries to use gapi.client.setToken() which obviously fails as the package is not loaded.

[GSI_LOGGER-TOKEN_CLIENT]: Set token failed. Gapi.client.setToken undefined.

So now i could not find anything in the reference on how to prevent that call to happen, nor how to at least suppress the warning by not e.g hacking in a noop as a placeholder.

Does anyone know if there is any official way to deal with that ?