grapher/lib/query/extension.js

import Query from './query.js';

_.extend(Mongo.Collection.prototype, {
    createQuery(body, params = {}) {
        return new Query(this, body, params);
    },

    createQueryFactory(body, params) {
        const collection = this;
        return () => {
            return new Query(collection, body, params);
        }
    }
});