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