You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
39 lines
1.0 KiB
39 lines
1.0 KiB
'use strict';
|
|
|
|
var GetIntrinsic = require('../GetIntrinsic');
|
|
|
|
var $TypeError = GetIntrinsic('%TypeError%');
|
|
|
|
var Type = require('./Type');
|
|
var IsDataDescriptor = require('./IsDataDescriptor');
|
|
var IsAccessorDescriptor = require('./IsAccessorDescriptor');
|
|
|
|
var assertRecord = require('../helpers/assertRecord');
|
|
|
|
// https://ecma-international.org/ecma-262/5.1/#sec-8.10.4
|
|
|
|
module.exports = function FromPropertyDescriptor(Desc) {
|
|
if (typeof Desc === 'undefined') {
|
|
return Desc;
|
|
}
|
|
|
|
assertRecord(Type, 'Property Descriptor', 'Desc', Desc);
|
|
|
|
if (IsDataDescriptor(Desc)) {
|
|
return {
|
|
value: Desc['[[Value]]'],
|
|
writable: !!Desc['[[Writable]]'],
|
|
enumerable: !!Desc['[[Enumerable]]'],
|
|
configurable: !!Desc['[[Configurable]]']
|
|
};
|
|
} else if (IsAccessorDescriptor(Desc)) {
|
|
return {
|
|
get: Desc['[[Get]]'],
|
|
set: Desc['[[Set]]'],
|
|
enumerable: !!Desc['[[Enumerable]]'],
|
|
configurable: !!Desc['[[Configurable]]']
|
|
};
|
|
} else {
|
|
throw new $TypeError('FromPropertyDescriptor must be called with a fully populated Property Descriptor');
|
|
}
|
|
};
|
|
|