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- 'use strict';
- var GetIntrinsic = require('get-intrinsic');
- var $TypeError = GetIntrinsic('%TypeError%');
- var Type = require('./Type');
- var IsDataDescriptor = require('./IsDataDescriptor');
- var IsAccessorDescriptor = require('./IsAccessorDescriptor');
- var assertRecord = require('../helpers/assertRecord');
- // https://262.ecma-international.org/5.1/#sec-8.10.4
- module.exports = function FromPropertyDescriptor(Desc) {
- if (typeof Desc === 'undefined') {
- return Desc;
- }
- assertRecord(Type, 'Property Descriptor', 'Desc', Desc);
- if (IsDataDescriptor(Desc)) {
- return {
- value: Desc['[[Value]]'],
- writable: !!Desc['[[Writable]]'],
- enumerable: !!Desc['[[Enumerable]]'],
- configurable: !!Desc['[[Configurable]]']
- };
- } else if (IsAccessorDescriptor(Desc)) {
- return {
- get: Desc['[[Get]]'],
- set: Desc['[[Set]]'],
- enumerable: !!Desc['[[Enumerable]]'],
- configurable: !!Desc['[[Configurable]]']
- };
- } else {
- throw new $TypeError('FromPropertyDescriptor must be called with a fully populated Property Descriptor');
- }
- };
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