mingo/types/operators/accumulator/count.d.ts

MongoDB query language for in-memory objects

import { AccumulatorOperator } from "../../types";
/**
 * Returns the number of documents in the group or window.
 *
 * @param {Array} collection The input array
 * @param {AnyObject} expr The right-hand side expression value of the operator
 * @returns {*}
 */
export declare const $count: AccumulatorOperator;