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EventEmitterWithErrorHandling Class

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 for existing users, but is not recommended for new users.

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