isNestedProjection.js 233 B

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  1. 'use strict';
  2. module.exports = function isNestedProjection(val) {
  3. if (val == null || typeof val !== 'object') {
  4. return false;
  5. }
  6. return val.$slice == null && val.$elemMatch == null && val.$meta == null && val.$ == null;
  7. };