first commit

2026-09-23 17:31:02 +05:30
commit 69b4e68baf
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+'use strict';
+
+var callBound = require('call-bound');
+
+var $TypeError = require('es-errors/type');
+var $deref = callBound('WeakRef.prototype.deref', true);
+
+var isWeakRef = require('is-weakref');
+
+var AddToKeptObjects = require('./AddToKeptObjects');
+
+// https://262.ecma-international.org/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;
+};