diff --git a/src/ffi/js/buffer.rs b/src/ffi/js/buffer.rs
index 739659c..67c1005 100644
--- a/src/ffi/js/buffer.rs
+++ b/src/ffi/js/buffer.rs
@@ -31,6 +31,13 @@ impl BufferController {
 		Ok(())
 	}
 
+	/// Acknowledge TextChange
+	#[napi(js_name = "ack")]
+	pub fn js_ack(&self, version: Vec<i64>){
+		self.ack(version);
+	}
+
+
 	/// Remove registered buffer callback
 	#[napi(js_name = "clearCallback")]
 	pub fn js_clear_callback(&self) {