From a861efa6d78253cfd61c563275044c011603b017 Mon Sep 17 00:00:00 2001
From: Yue JIN <40021217+kingyue737@users.noreply.github.com>
Date: Thu, 22 Aug 2024 13:33:23 +0800
Subject: [PATCH] fix: make callback of open, close and destroy optional

---
 ModbusRTU.d.ts | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/ModbusRTU.d.ts b/ModbusRTU.d.ts
index fd445e3..45aec7b 100644
--- a/ModbusRTU.d.ts
+++ b/ModbusRTU.d.ts
@@ -8,9 +8,9 @@ export class ModbusRTU {
 
   static getPorts(): Promise<PortInfo[]>
 
-  open(callback: Function): void;
-  close(callback: Function): void;
-  destroy(callback: Function): void;
+  open(callback?: Function): void;
+  close(callback?: Function): void;
+  destroy(callback?: Function): void;
 
   writeFC1(address: number, dataAddress: number, length: number, next: NodeStyleCallback<ReadCoilResult>): void;
   writeFC2(address: number, dataAddress: number, length: number, next: NodeStyleCallback<ReadCoilResult>): void;
@@ -161,4 +161,4 @@ export interface TelnetPortOptions {
 
 export interface C701PortOptions {
   port?: number;
-}
\ No newline at end of file
+}