Meteor mongodb $inc with update

Question

I have this mongo collection and vars:

items:{
 type_one: 0,
 type_two: 0
}

var valueOne = 1;
var nameItem = type_one;

---

I try to update a

Answer 1

You need to build your query dynamically using the bracket [] operator. Also "nameItem" must be a string.

var valueOne = 1;
var nameItem = 'type_one';
var inc = {};
inc[ 'items.' + nameItem ] = valueOne;
Collection.update({ createdBy: user_id }, { '$inc': inc } )