listenerCount()

Returns the number of listeners registered for a given event.

Example

const count = instance.listenerCount("foo");
// count: 2

Parameters

Parameter	Type	Description
event	string | symbol	The event name. Expects an ESMitterEventName.

Returns

Type	Description
number	The number of listeners registered for the event.

Notes

• If no listeners are registered for the event, 0 is returned.