IsAccessorDescriptor.js
469 Bytes
'use strict';
var has = require('has');
var assertRecord = require('../helpers/assertRecord');
var Type = require('./Type');
// https://www.ecma-international.org/ecma-262/6.0/#sec-isaccessordescriptor
module.exports = function IsAccessorDescriptor(Desc) {
if (typeof Desc === 'undefined') {
return false;
}
assertRecord(Type, 'Property Descriptor', 'Desc', Desc);
if (!has(Desc, '[[Get]]') && !has(Desc, '[[Set]]')) {
return false;
}
return true;
};