Class: EventEmitter

api.EventEmitter

Hierarchy

• EventEmitter

  ↳ DataProviderBase

  ↳ IDataProvider

  ↳ Component

  ↳ Tag

  ↳ Viewer

Implements

• IEventEmitter

Constructors

constructor

• new EventEmitter()

Defined in

util/EventEmitter.ts:6

Methods

off

▸ off<T>(type, handler): void

Unsubscribe from an event by its name.

Type parameters

Name
T

Parameters

Name	Type	Description
type	string	The name of the event to unsubscribe from.
handler	(event: T) => void	The handler to remove.

Returns

void

Implementation of

IEventEmitter.off

Defined in

util/EventEmitter.ts:27

---

on

▸ on<T>(type, handler): void

Subscribe to an event by its name.

Type parameters

Name
T

Parameters

Name	Type	Description
type	string	The name of the event to subscribe to.
handler	(event: T) => void	The handler called when the event occurs.

Returns

void

Implementation of

IEventEmitter.on

Defined in

util/EventEmitter.ts:50