isWeakRef

The isWeakRef function checks if the provided value is an instance of WeakRef.

Syntax

isWeakRef(value: any): value is WeakRef<any>;

Parameters

Parameter	Type	Description
value	any	Value to be checked

Returns

Type	Description
boolean	True if it is an instance of WeakRef

Examples

isWeakRef(new WeakRef({})); // => true
isWeakRef({}); // => false

Notes

• Useful for validating objects before performing WeakRef-specific operations.

References

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