Method on

src/main/internal/emitter.ts:21–27

* Subscribe to a specific event * @template E Event name type * @param event - Event name to subscribe to * @param handler - Event handler function * @returns Function to unsubscribe

(event: E, handler: (payload: T[E]) => void)

   * @returns Function to unsubscribe
   */
  on<E extends keyof T>(event: E, handler: (payload: T[E]) => void) {
    this.#emitter.on(event, handler);

    return () => {
      this.#emitter.off(event, handler);
    };
  }

  /**
   * Subscribe to all events