fix: close terminals when closing vscode

extension.js

@@ -1,19 +1,20 @@
 const { PyMakr } = require("./src/PyMakr");
 
+/** @type {PyMakr} */
+let pymakr;
+
 // this method is called when your extension is activated
 // your extension is activated the very first time the command is executed
 
 /**
  * @param {import('vscode').ExtensionContext} context
  */
 async function activate(context) {
-  new PyMakr(context);
+  pymakr = new PyMakr(context);
 }
 
 // this method is called when your extension is deactivated
-function deactivate() {
-  //todo: close any open terminals to avoid them hanging when VScode is restarted at a later stage.
-}
+function deactivate() {}
 
 module.exports = {
   activate,

src/terminal/Terminal.js

@@ -25,6 +25,9 @@ class Terminal {
 
     this.term = vscode.window.createTerminal({ name, shellPath, shellArgs });
     this.term.show();
+
+    // dispose of the terminal when closing VSCode
+    this.pyMakr.context.subscriptions.push(this.term)
   }
 }