Add error notification, bump version number

package.json

@@ -2,8 +2,7 @@
 	"name": "mind-reader",
 	"displayName": "Mind_Reader",
 	"repository": "https://github.com/SingleSemesterSnobs/Mind_Reader",
-	"description": "",
-	"version": "0.0.1",
+	"version": "1.0.0",
 	"engines": {
 		"vscode": "^1.60.0"
 	},
@@ -303,7 +302,7 @@
 				},
 				"mindReader.connection.portPath": {
 					"type": "string",
-					"markdownDescription": "Specifies the serial port path to use if `#mindReader.connectAutomatically#` is not set."
+					"markdownDescription": "The default port to try and establish a connection on."
 				},
 				"mindReader.connection.clearOutputOnRun": {
 					"type": "boolean",

src/commands.ts

@@ -388,7 +388,7 @@ let hub: HubManager | null = null;
 
 // TODO: port option
 async function connectHub(): Promise<void> {
-  if (hub) {
+  if (hub && hub.isOpen()) {
     vscode.window.showWarningMessage('LEGO Hub is already connected, reconnecting...');
     disconnectHub();
   }

src/hubManager.ts

@@ -1,3 +1,4 @@
+import * as vscode from 'vscode';
 import * as SerialPort from 'serialport';
 import * as fs from 'fs';
 
@@ -97,6 +98,7 @@ export default class HubManager {
               logger.error(Buffer.from(params[3], 'base64').toString());
               break;
           }
+          vscode.window.showErrorMessage("Program Error.")
         }
       } catch (err) {
         console.log('Could not parse JSON:', msg);