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'use strict';
var has = require('has');
var assertRecord = require('../helpers/assertRecord');
var Type = require('./Type');
// https://ecma-international.org/ecma-262/6.0/#sec-isdatadescriptor
module.exports = function IsDataDescriptor(Desc) {
if (typeof Desc === 'undefined') {
return false;
}
assertRecord(Type, 'Property Descriptor', 'Desc', Desc);
if (!has(Desc, '[[Value]]') && !has(Desc, '[[Writable]]')) {
return false;
}
return true;
};