TypedEventEmitter | /src/utils/TypedEventEmitter.ts | discord_rpc_deno@v1.1.2

interface TypedEventEmitter

import { type TypedEventEmitter } from "https://deno.land/x/discord_rpc_deno@v1.1.2/src/utils/TypedEventEmitter.ts";

Type-safe event emitter.

Use it like this:

type MyEvents = {
  error: (error: Error) => void;
  message: (from: string, content: string) => void;
}

const myEmitter = new EventEmitter() as TypedEmitter<MyEvents>;

myEmitter.emit("error", "x")  // <- Will catch this type error;

Type Parameters

Events extends EventMap

Methods

addListener<E extends keyof Events>(event: E, listener: Events[E]): this

on<E extends keyof Events>(event: E, listener: Events[E]): this

once<E extends keyof Events>(event: E, listener: Events[E]): this

prependListener<E extends keyof Events>(event: E, listener: Events[E]): this

prependOnceListener<E extends keyof Events>(event: E, listener: Events[E]): this

off<E extends keyof Events>(event: E, listener: Events[E]): this

removeAllListeners<E extends keyof Events>(event?: E): this

removeListener<E extends keyof Events>(event: E, listener: Events[E]): this

emit<E extends keyof Events>(event: E, ...args: Parameters<Events[E]>): boolean

eventNames(): (keyof Events | string | symbol)[]

rawListeners<E extends keyof Events>(event: E): Events[E][]

listeners<E extends keyof Events>(event: E): Events[E][]

listenerCount<E extends keyof Events>(event: E): number

getMaxListeners(): number

setMaxListeners(maxListeners: number): this