Function mapKeysToString

lib/Associations/Many.js:195–199

(item)

        if (_.isEmpty(Instances)) return cb(null, false);

        var mapKeysToString = function (item) {
          return _.map(association.model.keys, function (k) {
            return item[k];
          }).join(',')
        }

        var foundItemsIDs = _(foundItems).map(mapKeysToString).uniq().value();
        var InstancesIDs  = _(Instances ).map(mapKeysToString).uniq().value();