Method on

lib/reactotron-core-server/src/reactotron-core-server.ts:138–140

* Listens to an event.

(event: ServerEventKey, handler: CommandEvent | WebSocketEvent)

   * Listens to an event.
   */
  on(event: ServerEventKey, handler: CommandEvent | WebSocketEvent) {
    this.emitter.on(event, handler)
  }

  /**
   * Turns off an event listener