tiny-emitter/index.d.ts

A tiny (less than 1k) event emitter library

export declare class TinyEmitter {
  on(event: string, callback: Function, ctx?: any): this;
  once(event: string, callback: Function, ctx?: any): this;
  emit(event: string, ...args: any[]): this;
  off(event: string, callback?: Function): this;
}