Skip to main content

EventInterceptor

EventInterceptor​

commandkitEventInterceptor.ts

The event interceptor class that allows subscribing to events and handling them with custom logic. It also supports automatic cleanup of expired subscriptions.

Signature
class EventInterceptor {
    constructor(client: Client)
    destroy() => void;
    hasSubscribers(event: keyof ClientEvents) => boolean;
    getSubscriberCount(event: keyof ClientEvents) => number;
    hasGlobalHandlers() => boolean;
    getGlobalHandlersCount() => number;
    subscribe(event: Event, listener: (...args: ClientEvents[Event]) => void, options?: EventInterceptorContextData<Event>) => () => void;
    unsubscribe(event: Event, listener: (...args: ClientEvents[Event]) => void, reason?: string) => void;
}

constructor​

method
(client: Client) => EventInterceptor

Creates the event interceptor.

destroy​

method
() => void

Destroys the event interceptor.

hasSubscribers​

method
(event: keyof ClientEvents) => boolean

Whether the event has subscribers.

getSubscriberCount​

method
(event: keyof ClientEvents) => number

Returns the number of subscribers for the event.

hasGlobalHandlers​

method
() => boolean

Whether the event has global handlers.

getGlobalHandlersCount​

method
() => number

Returns the number of global handlers.

subscribe​

method
(event: Event, listener: (...args: ClientEvents[Event]) => void, options?: EventInterceptorContextData<Event>) => () => void

Subscribes to an event.

unsubscribe​

method
(event: Event, listener: (...args: ClientEvents[Event]) => void, reason?: string) => void

Unsubscribes from an event.