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('get-intrinsic'); |
|
|
|
var $TypeError = GetIntrinsic('%TypeError%'); |
|
|
|
var Type = require('./Type'); |
|
var IsDataDescriptor = require('./IsDataDescriptor'); |
|
var IsAccessorDescriptor = require('./IsAccessorDescriptor'); |
|
|
|
var assertRecord = require('../helpers/assertRecord'); |
|
|
|
// https://262.ecma-international.org/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]]'] |
|
}; |
|
} |
|
throw new $TypeError('FromPropertyDescriptor must be called with a fully populated Property Descriptor'); |
|
|
|
};
|
|
|