periodicjs.core.data/utility/depopulate.js

Core data is the ORM wrapping component of periodicjs.core.controller that provides database adapters for commonly used databases (ie. mongo, sql, postgres). Adapters provide a standard set of methods and options regardless of the type of database and so

'use strict';
const mongoose = require('mongoose');

/**
 * Depopulates a populated mongoose document
 * @param  {Object} data The mongoose document that should be depopulated
 * @return {Object}      Returns a fully depopulated mongoose document
 */
module.exports = function depopulate (data) {
	let depopulated = (Array.isArray(data)) ? [] : {};
	for (let key in data) {
		if (data[key] && typeof data[key] === 'object') {
			if (data[key] instanceof Date) depopulated[key] = data[key];
			else if (data[key]._id && mongoose.Types.ObjectId.isValid(data[key]._id.toString())) depopulated[key] = data[key]._id.toString();
			else depopulated[key] = depopulate(data[key]);
		}
		else depopulated[key] = data[key];
	}
	return depopulated;
};