for developers: help me with /user backend!

hello! im developing lemmy client (on html5). i tried to do login function but... when i try to fetch /v3/user backend with auth-token it give me error:

 json

    
{
  "error": "no_id_given"
}


  

but why? what im doing wrong? if you want here is my source file on github ( function: getLoggined() )