EventEmitterWithErrorHandling Class
Packages > @fluidframework/telemetry-utils > EventEmitterWithErrorHandling
Event Emitter helper class
This API is provided for existing users, but is not recommended for new users.
To use, import via @fluidframework/telemetry-utils/legacy.
For more information about our API support guarantees, see here .
Signature
export declare class EventEmitterWithErrorHandling<TEvent extends IEvent = IEvent> extends TypedEventEmitter<TEvent>
Extends: TypedEventEmitter <TEvent>
Type Parameters
| Parameter | Constraint | Default | Description |
|---|---|---|---|
| TEvent | IEvent | IEvent |
Remarks
Any exceptions thrown by listeners will be caught and raised through “error” event. Any exception thrown by “error” listeners will propagate to the caller.
Constructors
| Constructor | Alerts | Description |
|---|---|---|
| (constructor)(errorHandler) |
Alpha
|
Constructs a new instance of the EventEmitterWithErrorHandling class
|
Constructor Details
(constructor)
Constructs a new instance of the EventEmitterWithErrorHandling class
This API is provided as an alpha preview and may change without notice.
To use, import via @fluidframework/telemetry-utils/alpha.
For more information about our API support guarantees, see here .
Signature
constructor(errorHandler: (eventName: EventEmitterEventType, error: any) => void);
Parameters
| Parameter | Type | Description |
|---|---|---|
| errorHandler | (eventName: EventEmitterEventType, error: any) => void |