feat: expose isBuffering

src/Utils/event-buffer.ts

@@ -48,6 +48,8 @@ type BaileysBufferableEventEmitter = BaileysEventEmitter & {
 	flush(): Promise<void>
 	/** waits for the task to complete, before releasing the buffer */
 	processInBuffer(task: Promise<any>)
+	/** is there an ongoing buffer */
+	isBuffering(): boolean
 }
 
 /**
@@ -139,6 +141,9 @@ export const makeEventBuffer = (logger: Logger): BaileysBufferableEventEmitter =
 				preBufferTask = Promise.allSettled([ preBufferTask, task ])
 			}
 		},
+		isBuffering() {
+			return isBuffering
+		},
 		buffer,
 		flush,
 		createBufferedFunction(work) {