events.d.ts

declare module "events" {
    // Project: https://github.com/Gozala/events
    // Definitions by: Yasunori Ohoka <https://github.com/yasupeke>
    //                 Shenwei Wang <https://github.com/weareoutman>
    // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped

    export type Listener = (...args: any[]) => void;

    export default class EventEmitter {
        static listenerCount(
            emitter: EventEmitter,
            type: string | number
        ): number;
        static defaultMaxListeners: number;

        eventNames(): Array<string | number>;
        setMaxListeners(n: number): this;
        getMaxListeners(): number;
        emit(type: string | number, ...args: any[]): boolean;
        addListener(type: string | number, listener: Listener): this;
        on(type: string | number, listener: Listener): this;
        once(type: string | number, listener: Listener): this;
        prependListener(type: string | number, listener: Listener): this;
        prependOnceListener(type: string | number, listener: Listener): this;
        removeListener(type: string | number, listener: Listener): this;
        off(type: string | number, listener: Listener): this;
        removeAllListeners(type?: string | number): this;
        listeners(type: string | number): Listener[];
        listenerCount(type: string | number): number;
        rawListeners(type: string | number): Listener[];
    }
}