Orderly SDKs / Modules / @orderly.network/core / EventEmitter

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Class: EventEmitter<EventTypes, Context>

@orderly.network/core.EventEmitter Minimal EventEmitter interface that is molded against the Node.js EventEmitter interface.

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Type parameters

Name	Type
EventTypes	extends ValidEventTypes = string | symbol
Context	extends any = any

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Table of contents

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Constructors

• constructor

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Properties

• prefixed

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Methods

• addListener
• emit
• eventNames
• listenerCount
• listeners
• off
• on
• once
• removeAllListeners
• removeListener

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Constructors

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constructor

• new EventEmitter<EventTypes, Context>()

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Type parameters

Name	Type
EventTypes	extends ValidEventTypes = string | symbol
Context	extends unknown = any

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Properties

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prefixed

▪ Static prefixed: string | boolean

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Defined in

node_modules/.pnpm/eventemitter3@5.0.1/node_modules/eventemitter3/index.d.ts:9

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Methods

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addListener

▸ addListener<T>(event, fn, context?): EventEmitter<EventTypes, Context>

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Type parameters

Name	Type
T	extends string | symbol

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Parameters

Name	Type
event	T
fn	EventListener<EventTypes, T>
context?	Context

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Returns

EventEmitter<EventTypes, Context>

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Defined in

node_modules/.pnpm/eventemitter3@5.0.1/node_modules/eventemitter3/index.d.ts:45

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emit

▸ emit<T>(event, ...args): boolean Calls each of the listeners registered for a given event.

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Type parameters

Name	Type
T	extends string | symbol

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Parameters

Name	Type
event	T
...args	Parameters<EventListener<EventTypes, T>>

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Returns

boolean

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Defined in

node_modules/.pnpm/eventemitter3@5.0.1/node_modules/eventemitter3/index.d.ts:32

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eventNames

▸ eventNames(): EventNames<EventTypes>[] Return an array listing the events for which the emitter has registered listeners.

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Returns

EventNames<EventTypes>[]

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Defined in

node_modules/.pnpm/eventemitter3@5.0.1/node_modules/eventemitter3/index.d.ts:15

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listenerCount

▸ listenerCount(event): number Return the number of listeners listening to a given event.

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Parameters

Name	Type
event	EventNames<EventTypes>

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Returns

number

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Defined in

node_modules/.pnpm/eventemitter3@5.0.1/node_modules/eventemitter3/index.d.ts:27

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listeners

▸ listeners<T>(event): EventListener<EventTypes, T>[] Return the listeners registered for a given event.

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Type parameters

Name	Type
T	extends string | symbol

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Parameters

Name	Type
event	T

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Returns

EventListener<EventTypes, T>[]

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Defined in

node_modules/.pnpm/eventemitter3@5.0.1/node_modules/eventemitter3/index.d.ts:20

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off

▸ off<T>(event, fn?, context?, once?): EventEmitter<EventTypes, Context>

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Type parameters

Name	Type
T	extends string | symbol

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Parameters

Name	Type
event	T
fn?	EventListener<EventTypes, T>
context?	Context
once?	boolean

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Returns

EventEmitter<EventTypes, Context>

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Defined in

node_modules/.pnpm/eventemitter3@5.0.1/node_modules/eventemitter3/index.d.ts:69

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on

▸ on<T>(event, fn, context?): EventEmitter<EventTypes, Context> Add a listener for a given event.

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Type parameters

Name	Type
T	extends string | symbol

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Parameters

Name	Type
event	T
fn	EventListener<EventTypes, T>
context?	Context

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Returns

EventEmitter<EventTypes, Context>

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Defined in

node_modules/.pnpm/eventemitter3@5.0.1/node_modules/eventemitter3/index.d.ts:40

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once

▸ once<T>(event, fn, context?): EventEmitter<EventTypes, Context> Add a one-time listener for a given event.

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Type parameters

Name	Type
T	extends string | symbol

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Parameters

Name	Type
event	T
fn	EventListener<EventTypes, T>
context?	Context

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Returns

EventEmitter<EventTypes, Context>

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Defined in

node_modules/.pnpm/eventemitter3@5.0.1/node_modules/eventemitter3/index.d.ts:54

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removeAllListeners

▸ removeAllListeners(event?): EventEmitter<EventTypes, Context> Remove all listeners, or those of the specified event.

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Parameters

Name	Type
event?	EventNames<EventTypes>

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Returns

EventEmitter<EventTypes, Context>

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Defined in

node_modules/.pnpm/eventemitter3@5.0.1/node_modules/eventemitter3/index.d.ts:79

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removeListener

▸ removeListener<T>(event, fn?, context?, once?): EventEmitter<EventTypes, Context> Remove the listeners of a given event.

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Type parameters

Name	Type
T	extends string | symbol

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Parameters

Name	Type
event	T
fn?	EventListener<EventTypes, T>
context?	Context
once?	boolean

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Returns

EventEmitter<EventTypes, Context>

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Defined in

node_modules/.pnpm/eventemitter3@5.0.1/node_modules/eventemitter3/index.d.ts:63