types.isWeakSet - util - Node

types.isWeakSet - util - Node documentation

function types.isWeakSet

import { types } from "node:util";



isWeakSet(object: unknown): object is WeakSet<object>

Returns true if the value is a built-in WeakSet instance.

util.types.isWeakSet(new WeakSet());  // Returns true

Parameters



object: unknown

object is WeakSet<object>