feat: basic terminal printing

src/utils/EventBroadcaster.ts

@@ -0,0 +1,43 @@
+export class EventBroadcaster {
+    private listeners: Map<string, Set<Function>> = new Map()
+
+    /**
+     * Assigns a listener for the specified event
+     * @param event event name
+     * @param listener function to call when the event is emitted
+     */
+    on(event: string, listener: Function) {
+        if (!this.listeners.has(event))
+            this.listeners.set(event, new Set())
+        this.listeners.get(event)!.add(listener)
+    }
+
+    /**
+     * Removes a listener from the specified event
+     * @param event event name
+     * @param listener function to remove
+     */
+    off(event: string, listener: Function) {
+        if (this.listeners.has(event))
+            this.listeners.get(event)!.delete(listener)
+    }
+
+    /**
+     * Removes all listeners for the specified event
+     * @param event event name
+     */
+    clear(event: string) {
+        if (this.listeners.has(event))
+            this.listeners.get(event)!.clear()
+    }
+
+    /**
+     * Emits an event with the given arguments
+     * @param event event name
+     * @param args arguments to pass to the listeners
+     */
+    emit(event: string, ...args: any[]) {
+        if (this.listeners.has(event))
+            this.listeners.get(event)!.forEach((listener) => listener(...args))
+    }
+}