You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
40 lines
1.5 KiB
40 lines
1.5 KiB
'use strict'; |
|
|
|
var callBound = require('call-bind/callBound'); |
|
|
|
var DefinePropertyOrThrow = require('./DefinePropertyOrThrow'); |
|
var FromPropertyDescriptor = require('./FromPropertyDescriptor'); |
|
var Get = require('./Get'); |
|
var ToObject = require('./ToObject'); |
|
var ToPropertyDescriptor = require('./ToPropertyDescriptor'); |
|
|
|
var forEach = require('../helpers/forEach'); |
|
var getOwnPropertyDescriptor = require('../helpers/getOwnPropertyDescriptor'); |
|
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 |
|
desc = FromPropertyDescriptor(desc); // TODO: remove this once DefinePropertyOrThrow is fixed |
|
DefinePropertyOrThrow(O, P, desc); // step 5.c |
|
}); |
|
|
|
return O; // step 6 |
|
};
|
|
|