hummus-recipe
Version:
A powerful PDF tool for NodeJS based on HummusJS
24 lines (15 loc) • 454 B
JavaScript
;
var has = require('has');
var Type = require('./Type');
var assertRecord = require('../helpers/assertRecord');
// https://ecma-international.org/ecma-262/5.1/#sec-8.10.2
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;
};