refactor(packages/stdlib): add symbol in EventsRecord

packages/stdlib/src/patterns/behavioral/pubsub/index.test.ts

@@ -2,9 +2,12 @@ import { describe, it, expect, beforeEach, vi } from 'vitest';
 import { PubSub } from './index';
 
 describe('pubsub', () => {
+  const event3 = Symbol('event3');
+
   let eventBus: PubSub<{
     event1: (arg: string) => void;
-    event2: () => void
+    event2: () => void;
+    [event3]: () => void;
   }>;
 
   beforeEach(() => {
@@ -32,6 +35,15 @@ describe('pubsub', () => {
     expect(listener2).toHaveBeenCalledWith('Hello');
   });
 
+  it('emit symbol event', () => {
+    const listener = vi.fn();
+
+    eventBus.on(event3, listener);
+    eventBus.emit(event3);
+
+    expect(listener).toHaveBeenCalled();
+  });
+
   it('add a one-time listener and emit an event', () => {
     const listener = vi.fn();
 

packages/stdlib/src/patterns/behavioral/pubsub/index.ts

@@ -1,5 +1,5 @@
 export type Subscriber = (...args: any[]) => void;
-export type EventsRecord = Record<string, Subscriber>;
+export type EventsRecord = Record<string | symbol, Subscriber>;
 
 /**
  * Simple PubSub implementation