Interface Emitter<Events>

An emitter of events.

Type parameters

Events

Hierarchy

Emitter
- ChannelScope
- PageScope

Index

Properties

on

Properties

on

on: function

Subscribes a handler for events emitted by the CMS. The type of the emitted value depends on the emitted event.

param: the name of the emitted event.
param: the function to call with the emitted value.
returns: a function to unsubscribe the handler again.

Type declaration

- (eventName: keyof Events, handler: EventHandler<Events>): UnsubscribeFn
- Parameters
  - eventName: keyof Events
  - handler: EventHandler<Events>
  Returns UnsubscribeFn