Merge pull request #185 from robertsLando/patch-1

Fixed TypeError when calling .open the second time
yaacov · Feb 9, 2018 · aea1be9 · aea1be9
2 parents 5f1cd2f + 90b5384
commit aea1be9
Showing 1 changed file with 15 additions and 13 deletions.
diff --git a/index.js b/index.js
@@ -342,21 +342,23 @@ ModbusRTU.prototype.open = function(callback) {
                 callback(error);
         }
     });
+};
+
 
-    /**
-     * Check if port is open
-     */
-    Object.defineProperty(this, "isOpen", {
-        enumerable: true,
-        get: function() {
-            if (this._port) {
-                return this._port.isOpen;
-            }
-
-            return false;
+/**
+ * Check if port is open
+ */
+Object.defineProperty(ModbusRTU.prototype, "isOpen", {
+    enumerable: true,
+    get: function() {
+        if (this._port) {
+            return this._port.isOpen;
         }
-    });
-};
+
+        return false;
+    }
+});
+
 
 /**
  * Close the serial port