| 'use strict'; |
| |
| var callBound = require('call-bind/callBound'); |
| |
| var DefinePropertyOrThrow = require('./DefinePropertyOrThrow'); |
| var Get = require('./Get'); |
| var ToObject = require('./ToObject'); |
| var ToPropertyDescriptor = require('./ToPropertyDescriptor'); |
| |
| var forEach = require('../helpers/forEach'); |
| var getOwnPropertyDescriptor = require('gopd'); |
| var OwnPropertyKeys = require('../helpers/OwnPropertyKeys'); |
| |
| var $push = callBound('Array.prototype.push'); |
| |
| // https://262.ecma-international.org/6.0/#sec-objectdefineproperties |
| module.exports = function ObjectDefineProperties(O, Properties) { |
| var props = ToObject(Properties); // step 1 |
| var keys = OwnPropertyKeys(props); // step 2 |
| var descriptors = []; // step 3 |
| |
| forEach(keys, function (nextKey) { // step 4 |
| var propDesc = ToPropertyDescriptor(getOwnPropertyDescriptor(props, nextKey)); // step 4.a |
| if (typeof propDesc !== 'undefined' && propDesc['[[Enumerable]]']) { // step 4.b |
| var descObj = Get(props, nextKey); // step 4.b.i |
| var desc = ToPropertyDescriptor(descObj); // step 4.b.ii |
| $push(descriptors, [nextKey, desc]); // step 4.b.iii |
| } |
| }); |
| |
| forEach(descriptors, function (pair) { // step 5 |
| var P = pair[0]; // step 5.a |
| var desc = pair[1]; // step 5.b |
| DefinePropertyOrThrow(O, P, desc); // step 5.c |
| }); |
| |
| return O; // step 6 |
| }; |