source: imaps-frontend/node_modules/es-abstract/2019/ObjectDefineProperties.js@ 79a0317

'use strict';

var callBound = require('call-bound');

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('own-keys');

var $push = callBound('Array.prototype.push');

// https://262.ecma-international.org/6.0/#sec-objectdefineproperties

/** @type {<T extends Record<PropertyKey, unknown> = {}>(O: T, Properties: object) => T} */
module.exports = function ObjectDefineProperties(O, Properties) {
        var props = ToObject(Properties); // step 1
        var keys = OwnPropertyKeys(props); // step 2
        /** @type {[string | symbol, import('../types').Descriptor][]} */
        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
};