Method on

src/EventManager.ts:3–8

(id: string, event: Function)

export class EventManager{
  private events: Map<string, Array<Function>> = new Map<string, Array<Function>>()
  on(id: string, event: Function){
    if ( this.events.has(id) == false) {   
      this.events.set(id, [])
    }
    this.events.get(id)?.push(event)
  }
  public has(id: string) {
    return this.events.has(id)
  }