1
2
3
4
5
6
7
8
9
10
11
12
13
14
'use strict';
const trustedSymbol = Symbol('mongoose#trustedSymbol');
exports.trustedSymbol = trustedSymbol;
exports.trusted = function trusted(obj) {  if (obj == null || typeof obj !== 'object') {    return obj;  }  obj[trustedSymbol] = true;  return obj;};