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ECMAScript spec abstract operations.

There is a newer version: 1.22.3

'use strict';

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

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

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

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

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

	if (!IsAccessorDescriptor(Desc) && !IsDataDescriptor(Desc)) {
		return true;
	}

	return false;
};