Setting to enable/disable extension

Author: jlumpe

schema/vim.json

@@ -4,6 +4,12 @@
     "title": "Vim Notebook Cell",
     "description": "Vim Notebook Cell Settings",
     "properties": {
+        "enable": {
+            "type": "boolean",
+            "title": "Enable",
+            "description": "Whether to enable the extension.",
+            "default": true
+        }
     },
     "type": "object"
 }

src/index.ts

@@ -198,6 +198,10 @@ function activateCellVim(app: JupyterFrontEnd, tracker: INotebookTracker, settin
     const { commands, shell } = app;
 
     Promise.all([settingRegistry.load(id), app.restored]).then(([settings, args]) => {
+        const enabled = settings.get('enable').composite as boolean;
+        if (enabled === false) {
+            return;
+        }
         function getCurrent(args: ReadonlyJSONObject): NotebookPanel | null {
             const widget = tracker.currentWidget;
             const activate = args['activate'] !== false;