mongoose get nested prop code example

Example 1: mongoose select nested

var fields = { 'properties.OBJECTID': 1, 'properties.TIMESTAMP': 1 };
var query = Feature.find({id: 1}).select(fields);

Example 2: mongoose nested object without id

var subSchema = mongoose.Schema({
    //your subschema content
},{ _id : false });

Example 3: how to delete popultate subdocument mongoose

Surf
    .find({user_id: {$in: userIds}})
    .populate('user_id', 'name boards') // added boards
    .populate('friends', 'name')
    // .populate('board_id', 'name size') // can't do this as discussed
    .exec(function (err, surfs) {
      if (err) {
        return handleError(res, err);
      }

      surfs.forEach(function (surf) {
        surf.set('boardInfo', surf.user_id.boards.id(surf.board_id), {strict: false});
      });
      // TODO: now remove the surf.user_id.boards.
      return res.json(200, surfs);
    });