export class EventEmitter {
  private events: Record<string, Function[]> = {}

  on(event: string, listener: Function) {
    if (!this.events[event]) {
      this.events[event] = []
    }
    this.events[event]?.push(listener)
  }

  emit(event: string, ...args: any[]) {
    if (this.events[event]) {
      this.events[event]?.forEach((listener) => listener(...args))
    }
  }

  off(event: string, listener: Function) {
    if (this.events[event]) {
      // @ts-ignore
      this.events[event] = this.events[event]?.filter((l) => l !== listener)
    }
  }
}