Skip to content
Permalink
Newer
Older
100644 38 lines (30 sloc) 1.28 KB
Ignoring revisions in .git-blame-ignore-revs.
1
'use strict';
2
3
var callBound = require('call-bind/callBound');
4
5
var DefinePropertyOrThrow = require('./DefinePropertyOrThrow');
6
var Get = require('./Get');
7
var ToObject = require('./ToObject');
8
var ToPropertyDescriptor = require('./ToPropertyDescriptor');
9
10
var forEach = require('../helpers/forEach');
11
var getOwnPropertyDescriptor = require('gopd');
12
var OwnPropertyKeys = require('../helpers/OwnPropertyKeys');
13
14
var $push = callBound('Array.prototype.push');
15
16
// https://262.ecma-international.org/6.0/#sec-objectdefineproperties
17
module.exports = function ObjectDefineProperties(O, Properties) {
18
var props = ToObject(Properties); // step 1
19
var keys = OwnPropertyKeys(props); // step 2
20
var descriptors = []; // step 3
21
22
forEach(keys, function (nextKey) { // step 4
23
var propDesc = ToPropertyDescriptor(getOwnPropertyDescriptor(props, nextKey)); // step 4.a
24
if (typeof propDesc !== 'undefined' && propDesc['[[Enumerable]]']) { // step 4.b
25
var descObj = Get(props, nextKey); // step 4.b.i
26
var desc = ToPropertyDescriptor(descObj); // step 4.b.ii
27
$push(descriptors, [nextKey, desc]); // step 4.b.iii
28
}
29
});
30
31
forEach(descriptors, function (pair) { // step 5
32
var P = pair[0]; // step 5.a
33
var desc = pair[1]; // step 5.b
34
DefinePropertyOrThrow(O, P, desc); // step 5.c
35
});
36
37
return O; // step 6
38
};