“” in boelan query

[ytuem96]

Hi,
i have 2 question

1. i have documents like
   {somefields,
   type:”a” or ”b”
   lid:””or uuid
   }
   İ want to search some thing where type a and lid uuid (it mean not “”)
   İts my query
   {“san mes* +type:a: -lid:\”\” ”}
   İts found word which is start with mes and contains san and type a but lid doesnt work if i change - to + query found noting

2. i use nodejs how i can write this query on nodejs
   Thanks