Class DefaultEventBus

Implements

EventBus

Index

Constructors

Methods

emit on off once removeAllListeners getEventNames getListenerCount hasListeners getHandlers

Constructors

constructor

new DefaultEventBus(): DefaultEventBus
Returns DefaultEventBus

Methods

emit

emit<T>(event, data?): void
Emit event with data
Type Parameters
- T
Parameters
- event: string
- Optional data: T
Returns void
Implementation of EventBus.emit
- Defined in core/events/event-bus.ts:32

on

on<T>(event, handler): EventSubscription
Subscribe to event
Type Parameters
- T
Parameters
- event: string
- handler: EventHandler<T>
Returns EventSubscription
Implementation of EventBus.on
- Defined in core/events/event-bus.ts:63

off

off(event, handler): void
Unsubscribe from event
Parameters
- event: string
- handler: EventHandler<any>
Returns void
Implementation of EventBus.off
- Defined in core/events/event-bus.ts:80

once

once<T>(event, handler): EventSubscription
Subscribe to event once
Type Parameters
- T
Parameters
- event: string
- handler: EventHandler<T>
Returns EventSubscription
Implementation of EventBus.once
- Defined in core/events/event-bus.ts:101

removeAllListeners

removeAllListeners(event?): void
Remove all listeners for event or all events
Parameters
- Optional event: string
Returns void
Implementation of EventBus.removeAllListeners
- Defined in core/events/event-bus.ts:118

getEventNames

getEventNames(): string[]
Get all event names

Returns string[]
Implementation of EventBus.getEventNames
- Defined in core/events/event-bus.ts:131

getListenerCount

getListenerCount(event): number
Get listener count for event
Parameters
- event: string
Returns number
Implementation of EventBus.getListenerCount
- Defined in core/events/event-bus.ts:148

hasListeners

hasListeners(event): boolean
Check if event has listeners
Parameters
- event: string
Returns boolean
- Defined in core/events/event-bus.ts:157

getHandlers

getHandlers(event): EventHandler<any>[]
Get all handlers for event
Parameters
- event: string
Returns EventHandler<any>[]
- Defined in core/events/event-bus.ts:164