feat: create event emitter class

src/lib/events/events-manager.ts

@@ -0,0 +1,66 @@
+import EventEmitter from 'node:events';
+
+/**
+ * EventsManager is a singleton class that manages events.
+ * It uses the EventEmitter class from Node.js to handle events.
+ */
+export class EventsManager {
+  private static instance: EventsManager;
+  private emitter: EventEmitter;
+
+  private constructor() {
+    this.emitter = new EventEmitter();
+  }
+
+  private static getInstance(): EventsManager {
+    if (!EventsManager.instance) {
+      EventsManager.instance = new EventsManager();
+    }
+
+    return EventsManager.instance;
+  }
+
+  /**
+   * Register an event listener.
+   * @param event The event name.
+   * @param listener The listener function.
+   */
+  public on(event: string, listener: (...args: any[]) => void): void {
+    this.emitter.on(event, listener);
+  }
+
+  /**
+   * Remove an event listener.
+   * @param event The event name.
+   * @param listener The listener function.
+   */
+  public emit(event: string, ...args: any[]): void {
+    this.emitter.emit(event, ...args);
+  }
+
+  /**
+   * Create a queue to store events.
+   * @returns An EventsQueue object.
+   */
+  public createQueue() {
+    return new class EventsQueue {
+      private queue: any[] = [];
+
+      public add(event: string, ...args: any[]): void {
+        this.queue.push({ event, args });
+      }
+
+      public clear() {
+        this.queue = [];
+      }
+
+      public process() {
+        this.queue.forEach((item) => {
+          EventsManager.getInstance().emit(item.event, ...item.args);
+        });
+
+        this.clear();
+      }
+    }
+  }
+}