isWeakSet

The isWeakSet function checks if the provided value is an instance of WeakSet.

Syntax

isWeakSet(value: any): value is WeakSet<any>;

Parameters

Parameter	Type	Description
value	any	Value to be checked

Returns

Type	Description
boolean	True if it is an instance of WeakSet

Examples

isWeakSet(new WeakSet()); // => true
isWeakSet([]); // => false

Notes

• Useful for validating collections before performing WeakSet-specific operations.

References

• https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/WeakSet