| 'use strict'; | 
|   | 
| var GetIntrinsic = require('get-intrinsic'); | 
| var callBound = require('call-bind/callBound'); | 
|   | 
| var $TypeError = GetIntrinsic('%TypeError%'); | 
| var $deref = callBound('WeakRef.prototype.deref', true); | 
|   | 
| var isWeakRef = require('is-weakref'); | 
|   | 
| var AddToKeptObjects = require('./AddToKeptObjects'); | 
|   | 
| // https://ecma-international.org/ecma-262/12.0/#sec-weakrefderef | 
|   | 
| module.exports = function WeakRefDeref(weakRef) { | 
|     if (!isWeakRef(weakRef)) { | 
|         throw new $TypeError('Assertion failed: `weakRef` must be a WeakRef'); | 
|     } | 
|     var target = $deref(weakRef); | 
|     if (target) { | 
|         AddToKeptObjects(target); | 
|     } | 
|     return target; | 
| }; |