FromPropertyDescriptor.js 801 Bytes
'use strict';

var assertRecord = require('../helpers/assertRecord');

var Type = require('./Type');

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

module.exports = function FromPropertyDescriptor(Desc) {
	if (typeof Desc === 'undefined') {
		return Desc;
	}

	assertRecord(Type, 'Property Descriptor', 'Desc', Desc);

	var obj = {};
	if ('[[Value]]' in Desc) {
		obj.value = Desc['[[Value]]'];
	}
	if ('[[Writable]]' in Desc) {
		obj.writable = Desc['[[Writable]]'];
	}
	if ('[[Get]]' in Desc) {
		obj.get = Desc['[[Get]]'];
	}
	if ('[[Set]]' in Desc) {
		obj.set = Desc['[[Set]]'];
	}
	if ('[[Enumerable]]' in Desc) {
		obj.enumerable = Desc['[[Enumerable]]'];
	}
	if ('[[Configurable]]' in Desc) {
		obj.configurable = Desc['[[Configurable]]'];
	}
	return obj;
};