couchdb/general/_design/generic/filters/is_types.js

   1 function(doc, req)
   2 {
   3     if(doc._deleted)
   4     {
   5         return false;
   6     }
   7
   8     return (doc.doc_type && (req.query.doc_types.indexOf(doc.doc_type) > -1));
   9 }